Home / 141,539.40-195,323.67-77,876.91

Finding the Fourth Proportional to 141,539.40, 195,323.67 and 77,876.91

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Solution

The fourth proportional to 141,539.40, 195,323.67 and 77,876.91 is: 107,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,539.40 : 195,323.67 = 77,876.91 : x
  2. Step 2: Convert to fraction form
    141,539.40/195,323.67 = 77,876.91/x
  3. Step 3: Cross multiply
    141,539.40x = 195,323.67 × 77,876.91
  4. Step 4: Simplify right side
    141,539.40x = 15,211,203,869.46
  5. Step 5: Solve for x
    x = 15,211,203,869.46/141,539.40
  6. Step 6: Final answer
    x = 107,469.75

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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.