Home / 141,365.74-195,082.49-77,702.17

Finding the Fourth Proportional to 141,365.74, 195,082.49 and 77,702.17

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Solution

The fourth proportional to 141,365.74, 195,082.49 and 77,702.17 is: 107,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,365.74 : 195,082.49 = 77,702.17 : x
  2. Step 2: Convert to fraction form
    141,365.74/195,082.49 = 77,702.17/x
  3. Step 3: Cross multiply
    141,365.74x = 195,082.49 × 77,702.17
  4. Step 4: Simplify right side
    141,365.74x = 15,158,332,802.00
  5. Step 5: Solve for x
    x = 15,158,332,802.00/141,365.74
  6. Step 6: Final answer
    x = 107,227.77

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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.