Home / 141,488.88-195,250.54-77,826.66

Finding the Fourth Proportional to 141,488.88, 195,250.54 and 77,826.66

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Solution

The fourth proportional to 141,488.88, 195,250.54 and 77,826.66 is: 107,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,488.88 : 195,250.54 = 77,826.66 : x
  2. Step 2: Convert to fraction form
    141,488.88/195,250.54 = 77,826.66/x
  3. Step 3: Cross multiply
    141,488.88x = 195,250.54 × 77,826.66
  4. Step 4: Simplify right side
    141,488.88x = 15,195,697,391.40
  5. Step 5: Solve for x
    x = 15,195,697,391.40/141,488.88
  6. Step 6: Final answer
    x = 107,398.53

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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.