Home / 185,614.02-256,147.50-100,731.07

Finding the Fourth Proportional to 185,614.02, 256,147.50 and 100,731.07

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Solution

The fourth proportional to 185,614.02, 256,147.50 and 100,731.07 is: 139,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,614.02 : 256,147.50 = 100,731.07 : x
  2. Step 2: Convert to fraction form
    185,614.02/256,147.50 = 100,731.07/x
  3. Step 3: Cross multiply
    185,614.02x = 256,147.50 × 100,731.07
  4. Step 4: Simplify right side
    185,614.02x = 25,802,011,752.83
  5. Step 5: Solve for x
    x = 25,802,011,752.83/185,614.02
  6. Step 6: Final answer
    x = 139,008.96

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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.