Home / 102,342.40-153,502.92-27,470.56

Finding the Fourth Proportional to 102,342.40, 153,502.92 and 27,470.56

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Solution

The fourth proportional to 102,342.40, 153,502.92 and 27,470.56 is: 41,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,342.40 : 153,502.92 = 27,470.56 : x
  2. Step 2: Convert to fraction form
    102,342.40/153,502.92 = 27,470.56/x
  3. Step 3: Cross multiply
    102,342.40x = 153,502.92 × 27,470.56
  4. Step 4: Simplify right side
    102,342.40x = 4,216,811,174.04
  5. Step 5: Solve for x
    x = 4,216,811,174.04/102,342.40
  6. Step 6: Final answer
    x = 41,202.97

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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.