Home / 658,851.40-988,277.10-160,215.40

Finding the Fourth Proportional to 658,851.40, 988,277.10 and 160,215.40

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Solution

The fourth proportional to 658,851.40, 988,277.10 and 160,215.40 is: 240,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,851.40 : 988,277.10 = 160,215.40 : x
  2. Step 2: Convert to fraction form
    658,851.40/988,277.10 = 160,215.40/x
  3. Step 3: Cross multiply
    658,851.40x = 988,277.10 × 160,215.40
  4. Step 4: Simplify right side
    658,851.40x = 158,337,210,887.34
  5. Step 5: Solve for x
    x = 158,337,210,887.34/658,851.40
  6. Step 6: Final answer
    x = 240,323.10

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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.