Home / 141,456.52-195,202.74-77,792.68

Finding the Fourth Proportional to 141,456.52, 195,202.74 and 77,792.68

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Solution

The fourth proportional to 141,456.52, 195,202.74 and 77,792.68 is: 107,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,456.52 : 195,202.74 = 77,792.68 : x
  2. Step 2: Convert to fraction form
    141,456.52/195,202.74 = 77,792.68/x
  3. Step 3: Cross multiply
    141,456.52x = 195,202.74 × 77,792.68
  4. Step 4: Simplify right side
    141,456.52x = 15,185,344,287.94
  5. Step 5: Solve for x
    x = 15,185,344,287.94/141,456.52
  6. Step 6: Final answer
    x = 107,349.91

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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.