Home / 185,755.02-256,343.18-100,872.08

Finding the Fourth Proportional to 185,755.02, 256,343.18 and 100,872.08

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Solution

The fourth proportional to 185,755.02, 256,343.18 and 100,872.08 is: 139,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,755.02 : 256,343.18 = 100,872.08 : x
  2. Step 2: Convert to fraction form
    185,755.02/256,343.18 = 100,872.08/x
  3. Step 3: Cross multiply
    185,755.02x = 256,343.18 × 100,872.08
  4. Step 4: Simplify right side
    185,755.02x = 25,857,869,760.41
  5. Step 5: Solve for x
    x = 25,857,869,760.41/185,755.02
  6. Step 6: Final answer
    x = 139,204.15

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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.