Home / 185,638.02-256,179.96-100,755.42

Finding the Fourth Proportional to 185,638.02, 256,179.96 and 100,755.42

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Solution

The fourth proportional to 185,638.02, 256,179.96 and 100,755.42 is: 139,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,638.02 : 256,179.96 = 100,755.42 : x
  2. Step 2: Convert to fraction form
    185,638.02/256,179.96 = 100,755.42/x
  3. Step 3: Cross multiply
    185,638.02x = 256,179.96 × 100,755.42
  4. Step 4: Simplify right side
    185,638.02x = 25,811,519,465.38
  5. Step 5: Solve for x
    x = 25,811,519,465.38/185,638.02
  6. Step 6: Final answer
    x = 139,042.20

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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.