Home / 141,557.76-195,348.96-77,893.92

Finding the Fourth Proportional to 141,557.76, 195,348.96 and 77,893.92

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Solution

The fourth proportional to 141,557.76, 195,348.96 and 77,893.92 is: 107,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,557.76 : 195,348.96 = 77,893.92 : x
  2. Step 2: Convert to fraction form
    141,557.76/195,348.96 = 77,893.92/x
  3. Step 3: Cross multiply
    141,557.76x = 195,348.96 × 77,893.92
  4. Step 4: Simplify right side
    141,557.76x = 15,216,496,262.32
  5. Step 5: Solve for x
    x = 15,216,496,262.32/141,557.76
  6. Step 6: Final answer
    x = 107,493.20

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1.5x scale

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.