Home / 141,522.70-195,294.27-77,858.86

Finding the Fourth Proportional to 141,522.70, 195,294.27 and 77,858.86

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Solution

The fourth proportional to 141,522.70, 195,294.27 and 77,858.86 is: 107,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,522.70 : 195,294.27 = 77,858.86 : x
  2. Step 2: Convert to fraction form
    141,522.70/195,294.27 = 77,858.86/x
  3. Step 3: Cross multiply
    141,522.70x = 195,294.27 × 77,858.86
  4. Step 4: Simplify right side
    141,522.70x = 15,205,389,226.73
  5. Step 5: Solve for x
    x = 15,205,389,226.73/141,522.70
  6. Step 6: Final answer
    x = 107,441.34

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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.