Home / 186,545.30-257,424.98-101,660.54

Finding the Fourth Proportional to 186,545.30, 257,424.98 and 101,660.54

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Solution

The fourth proportional to 186,545.30, 257,424.98 and 101,660.54 is: 140,287.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,545.30 : 257,424.98 = 101,660.54 : x
  2. Step 2: Convert to fraction form
    186,545.30/257,424.98 = 101,660.54/x
  3. Step 3: Cross multiply
    186,545.30x = 257,424.98 × 101,660.54
  4. Step 4: Simplify right side
    186,545.30x = 26,169,962,476.29
  5. Step 5: Solve for x
    x = 26,169,962,476.29/186,545.30
  6. Step 6: Final answer
    x = 140,287.44

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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.