Home / 141,366.13-195,082.63-77,702.56

Finding the Fourth Proportional to 141,366.13, 195,082.63 and 77,702.56

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Solution

The fourth proportional to 141,366.13, 195,082.63 and 77,702.56 is: 107,228.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,366.13 : 195,082.63 = 77,702.56 : x
  2. Step 2: Convert to fraction form
    141,366.13/195,082.63 = 77,702.56/x
  3. Step 3: Cross multiply
    141,366.13x = 195,082.63 × 77,702.56
  4. Step 4: Simplify right side
    141,366.13x = 15,158,419,762.53
  5. Step 5: Solve for x
    x = 15,158,419,762.53/141,366.13
  6. Step 6: Final answer
    x = 107,228.09

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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.