Home / 185,919.20-257,066.16-162,299.60

Finding the Fourth Proportional to 185,919.20, 257,066.16 and 162,299.60

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Solution

The fourth proportional to 185,919.20, 257,066.16 and 162,299.60 is: 224,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,919.20 : 257,066.16 = 162,299.60 : x
  2. Step 2: Convert to fraction form
    185,919.20/257,066.16 = 162,299.60/x
  3. Step 3: Cross multiply
    185,919.20x = 257,066.16 × 162,299.60
  4. Step 4: Simplify right side
    185,919.20x = 41,721,734,941.54
  5. Step 5: Solve for x
    x = 41,721,734,941.54/185,919.20
  6. Step 6: Final answer
    x = 224,407.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.