Home / 506,119.83-759,180.03-132,142.83

Finding the Fourth Proportional to 506,119.83, 759,180.03 and 132,142.83

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Solution

The fourth proportional to 506,119.83, 759,180.03 and 132,142.83 is: 198,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,119.83 : 759,180.03 = 132,142.83 : x
  2. Step 2: Convert to fraction form
    506,119.83/759,180.03 = 132,142.83/x
  3. Step 3: Cross multiply
    506,119.83x = 759,180.03 × 132,142.83
  4. Step 4: Simplify right side
    506,119.83x = 100,320,197,643.69
  5. Step 5: Solve for x
    x = 100,320,197,643.69/506,119.83
  6. Step 6: Final answer
    x = 198,214.32

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.