Home / 141,525.92-195,302.99-77,864.78

Finding the Fourth Proportional to 141,525.92, 195,302.99 and 77,864.78

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Solution

The fourth proportional to 141,525.92, 195,302.99 and 77,864.78 is: 107,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,525.92 : 195,302.99 = 77,864.78 : x
  2. Step 2: Convert to fraction form
    141,525.92/195,302.99 = 77,864.78/x
  3. Step 3: Cross multiply
    141,525.92x = 195,302.99 × 77,864.78
  4. Step 4: Simplify right side
    141,525.92x = 15,207,223,567.84
  5. Step 5: Solve for x
    x = 15,207,223,567.84/141,525.92
  6. Step 6: Final answer
    x = 107,451.87

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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.