Home / 141,643.15-195,470.04-77,114.26

Finding the Fourth Proportional to 141,643.15, 195,470.04 and 77,114.26

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Solution

The fourth proportional to 141,643.15, 195,470.04 and 77,114.26 is: 106,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,643.15 : 195,470.04 = 77,114.26 : x
  2. Step 2: Convert to fraction form
    141,643.15/195,470.04 = 77,114.26/x
  3. Step 3: Cross multiply
    141,643.15x = 195,470.04 × 77,114.26
  4. Step 4: Simplify right side
    141,643.15x = 15,073,527,998.54
  5. Step 5: Solve for x
    x = 15,073,527,998.54/141,643.15
  6. Step 6: Final answer
    x = 106,419.04

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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.