Home / 101,184.48-139,639.14-58,177.92

Finding the Fourth Proportional to 101,184.48, 139,639.14 and 58,177.92

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Solution

The fourth proportional to 101,184.48, 139,639.14 and 58,177.92 is: 80,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,184.48 : 139,639.14 = 58,177.92 : x
  2. Step 2: Convert to fraction form
    101,184.48/139,639.14 = 58,177.92/x
  3. Step 3: Cross multiply
    101,184.48x = 139,639.14 × 58,177.92
  4. Step 4: Simplify right side
    101,184.48x = 8,123,914,715.79
  5. Step 5: Solve for x
    x = 8,123,914,715.79/101,184.48
  6. Step 6: Final answer
    x = 80,288.15

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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.