Home / 185,999.28-256,669.20-101,115.96

Finding the Fourth Proportional to 185,999.28, 256,669.20 and 101,115.96

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Solution

The fourth proportional to 185,999.28, 256,669.20 and 101,115.96 is: 139,534.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,999.28 : 256,669.20 = 101,115.96 : x
  2. Step 2: Convert to fraction form
    185,999.28/256,669.20 = 101,115.96/x
  3. Step 3: Cross multiply
    185,999.28x = 256,669.20 × 101,115.96
  4. Step 4: Simplify right side
    185,999.28x = 25,953,352,560.43
  5. Step 5: Solve for x
    x = 25,953,352,560.43/185,999.28
  6. Step 6: Final answer
    x = 139,534.69

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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.