Home / 141,463.25-195,215.38-77,801.10

Finding the Fourth Proportional to 141,463.25, 195,215.38 and 77,801.10

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Solution

The fourth proportional to 141,463.25, 195,215.38 and 77,801.10 is: 107,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,463.25 : 195,215.38 = 77,801.10 : x
  2. Step 2: Convert to fraction form
    141,463.25/195,215.38 = 77,801.10/x
  3. Step 3: Cross multiply
    141,463.25x = 195,215.38 × 77,801.10
  4. Step 4: Simplify right side
    141,463.25x = 15,187,971,300.92
  5. Step 5: Solve for x
    x = 15,187,971,300.92/141,463.25
  6. Step 6: Final answer
    x = 107,363.37

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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.