Home / 141,553.75-195,345.56-77,892.92

Finding the Fourth Proportional to 141,553.75, 195,345.56 and 77,892.92

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Solution

The fourth proportional to 141,553.75, 195,345.56 and 77,892.92 is: 107,492.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,553.75 : 195,345.56 = 77,892.92 : x
  2. Step 2: Convert to fraction form
    141,553.75/195,345.56 = 77,892.92/x
  3. Step 3: Cross multiply
    141,553.75x = 195,345.56 × 77,892.92
  4. Step 4: Simplify right side
    141,553.75x = 15,216,036,077.44
  5. Step 5: Solve for x
    x = 15,216,036,077.44/141,553.75
  6. Step 6: Final answer
    x = 107,492.99

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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.