Home / 148,332.64-204,545.64-103,061.92

Finding the Fourth Proportional to 148,332.64, 204,545.64 and 103,061.92

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Solution

The fourth proportional to 148,332.64, 204,545.64 and 103,061.92 is: 142,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,332.64 : 204,545.64 = 103,061.92 : x
  2. Step 2: Convert to fraction form
    148,332.64/204,545.64 = 103,061.92/x
  3. Step 3: Cross multiply
    148,332.64x = 204,545.64 × 103,061.92
  4. Step 4: Simplify right side
    148,332.64x = 21,080,866,386.03
  5. Step 5: Solve for x
    x = 21,080,866,386.03/148,332.64
  6. Step 6: Final answer
    x = 142,118.86

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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.