Home / 185,947.38-256,607.19-101,065.05

Finding the Fourth Proportional to 185,947.38, 256,607.19 and 101,065.05

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Solution

The fourth proportional to 185,947.38, 256,607.19 and 101,065.05 is: 139,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,947.38 : 256,607.19 = 101,065.05 : x
  2. Step 2: Convert to fraction form
    185,947.38/256,607.19 = 101,065.05/x
  3. Step 3: Cross multiply
    185,947.38x = 256,607.19 × 101,065.05
  4. Step 4: Simplify right side
    185,947.38x = 25,934,018,487.71
  5. Step 5: Solve for x
    x = 25,934,018,487.71/185,947.38
  6. Step 6: Final answer
    x = 139,469.66

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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.