Home / 141,548.97-195,338.94-77,888.13

Finding the Fourth Proportional to 141,548.97, 195,338.94 and 77,888.13

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Solution

The fourth proportional to 141,548.97, 195,338.94 and 77,888.13 is: 107,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,548.97 : 195,338.94 = 77,888.13 : x
  2. Step 2: Convert to fraction form
    141,548.97/195,338.94 = 77,888.13/x
  3. Step 3: Cross multiply
    141,548.97x = 195,338.94 × 77,888.13
  4. Step 4: Simplify right side
    141,548.97x = 15,214,584,752.78
  5. Step 5: Solve for x
    x = 15,214,584,752.78/141,548.97
  6. Step 6: Final answer
    x = 107,486.37

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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.