Home / 165,641.85-248,502.45-53,332.61

Finding the Fourth Proportional to 165,641.85, 248,502.45 and 53,332.61

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Solution

The fourth proportional to 165,641.85, 248,502.45 and 53,332.61 is: 80,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,641.85 : 248,502.45 = 53,332.61 : x
  2. Step 2: Convert to fraction form
    165,641.85/248,502.45 = 53,332.61/x
  3. Step 3: Cross multiply
    165,641.85x = 248,502.45 × 53,332.61
  4. Step 4: Simplify right side
    165,641.85x = 13,253,283,007.38
  5. Step 5: Solve for x
    x = 13,253,283,007.38/165,641.85
  6. Step 6: Final answer
    x = 80,011.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.