Home / 141,624.38-195,441.63-77,961.71

Finding the Fourth Proportional to 141,624.38, 195,441.63 and 77,961.71

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Solution

The fourth proportional to 141,624.38, 195,441.63 and 77,961.71 is: 107,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,624.38 : 195,441.63 = 77,961.71 : x
  2. Step 2: Convert to fraction form
    141,624.38/195,441.63 = 77,961.71/x
  3. Step 3: Cross multiply
    141,624.38x = 195,441.63 × 77,961.71
  4. Step 4: Simplify right side
    141,624.38x = 15,236,963,679.99
  5. Step 5: Solve for x
    x = 15,236,963,679.99/141,624.38
  6. Step 6: Final answer
    x = 107,587.15

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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.