Home / 141,396.04-195,126.66-77,734.92

Finding the Fourth Proportional to 141,396.04, 195,126.66 and 77,734.92

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Solution

The fourth proportional to 141,396.04, 195,126.66 and 77,734.92 is: 107,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,396.04 : 195,126.66 = 77,734.92 : x
  2. Step 2: Convert to fraction form
    141,396.04/195,126.66 = 77,734.92/x
  3. Step 3: Cross multiply
    141,396.04x = 195,126.66 × 77,734.92
  4. Step 4: Simplify right side
    141,396.04x = 15,168,155,304.97
  5. Step 5: Solve for x
    x = 15,168,155,304.97/141,396.04
  6. Step 6: Final answer
    x = 107,274.26

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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.