Home / 141,572.49-195,369.62-77,910.24

Finding the Fourth Proportional to 141,572.49, 195,369.62 and 77,910.24

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Solution

The fourth proportional to 141,572.49, 195,369.62 and 77,910.24 is: 107,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,572.49 : 195,369.62 = 77,910.24 : x
  2. Step 2: Convert to fraction form
    141,572.49/195,369.62 = 77,910.24/x
  3. Step 3: Cross multiply
    141,572.49x = 195,369.62 × 77,910.24
  4. Step 4: Simplify right side
    141,572.49x = 15,221,293,593.36
  5. Step 5: Solve for x
    x = 15,221,293,593.36/141,572.49
  6. Step 6: Final answer
    x = 107,515.90

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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.