Home / 145,116.16-200,234.64-88,545.76

Finding the Fourth Proportional to 145,116.16, 200,234.64 and 88,545.76

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Solution

The fourth proportional to 145,116.16, 200,234.64 and 88,545.76 is: 122,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,116.16 : 200,234.64 = 88,545.76 : x
  2. Step 2: Convert to fraction form
    145,116.16/200,234.64 = 88,545.76/x
  3. Step 3: Cross multiply
    145,116.16x = 200,234.64 × 88,545.76
  4. Step 4: Simplify right side
    145,116.16x = 17,729,928,377.13
  5. Step 5: Solve for x
    x = 17,729,928,377.13/145,116.16
  6. Step 6: Final answer
    x = 122,177.49

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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.