Home / 185,615.28-256,149.24-100,732.32

Finding the Fourth Proportional to 185,615.28, 256,149.24 and 100,732.32

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Solution

The fourth proportional to 185,615.28, 256,149.24 and 100,732.32 is: 139,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,615.28 : 256,149.24 = 100,732.32 : x
  2. Step 2: Convert to fraction form
    185,615.28/256,149.24 = 100,732.32/x
  3. Step 3: Cross multiply
    185,615.28x = 256,149.24 × 100,732.32
  4. Step 4: Simplify right side
    185,615.28x = 25,802,507,211.44
  5. Step 5: Solve for x
    x = 25,802,507,211.44/185,615.28
  6. Step 6: Final answer
    x = 139,010.68

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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.