Home / 185,902.11-256,545.57-101,019.15

Finding the Fourth Proportional to 185,902.11, 256,545.57 and 101,019.15

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Solution

The fourth proportional to 185,902.11, 256,545.57 and 101,019.15 is: 139,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,902.11 : 256,545.57 = 101,019.15 : x
  2. Step 2: Convert to fraction form
    185,902.11/256,545.57 = 101,019.15/x
  3. Step 3: Cross multiply
    185,902.11x = 256,545.57 × 101,019.15
  4. Step 4: Simplify right side
    185,902.11x = 25,916,015,417.67
  5. Step 5: Solve for x
    x = 25,916,015,417.67/185,902.11
  6. Step 6: Final answer
    x = 139,406.78

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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.