Home / 141,621.73-195,445.01-77,958.85

Finding the Fourth Proportional to 141,621.73, 195,445.01 and 77,958.85

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Solution

The fourth proportional to 141,621.73, 195,445.01 and 77,958.85 is: 107,587.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,621.73 : 195,445.01 = 77,958.85 : x
  2. Step 2: Convert to fraction form
    141,621.73/195,445.01 = 77,958.85/x
  3. Step 3: Cross multiply
    141,621.73x = 195,445.01 × 77,958.85
  4. Step 4: Simplify right side
    141,621.73x = 15,236,667,828.04
  5. Step 5: Solve for x
    x = 15,236,667,828.04/141,621.73
  6. Step 6: Final answer
    x = 107,587.08

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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.