Home / 125,860.43-173,643.56-71,406.18

Finding the Fourth Proportional to 125,860.43, 173,643.56 and 71,406.18

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Solution

The fourth proportional to 125,860.43, 173,643.56 and 71,406.18 is: 98,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,860.43 : 173,643.56 = 71,406.18 : x
  2. Step 2: Convert to fraction form
    125,860.43/173,643.56 = 71,406.18/x
  3. Step 3: Cross multiply
    125,860.43x = 173,643.56 × 71,406.18
  4. Step 4: Simplify right side
    125,860.43x = 12,399,223,301.20
  5. Step 5: Solve for x
    x = 12,399,223,301.20/125,860.43
  6. Step 6: Final answer
    x = 98,515.66

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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.