Home / 141,705.28-195,553.52-78,043.24

Finding the Fourth Proportional to 141,705.28, 195,553.52 and 78,043.24

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Solution

The fourth proportional to 141,705.28, 195,553.52 and 78,043.24 is: 107,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,705.28 : 195,553.52 = 78,043.24 : x
  2. Step 2: Convert to fraction form
    141,705.28/195,553.52 = 78,043.24/x
  3. Step 3: Cross multiply
    141,705.28x = 195,553.52 × 78,043.24
  4. Step 4: Simplify right side
    141,705.28x = 15,261,630,294.20
  5. Step 5: Solve for x
    x = 15,261,630,294.20/141,705.28
  6. Step 6: Final answer
    x = 107,699.80

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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.