Home / 125,687.13-173,449.37-68,326.57

Finding the Fourth Proportional to 125,687.13, 173,449.37 and 68,326.57

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Solution

The fourth proportional to 125,687.13, 173,449.37 and 68,326.57 is: 94,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,687.13 : 173,449.37 = 68,326.57 : x
  2. Step 2: Convert to fraction form
    125,687.13/173,449.37 = 68,326.57/x
  3. Step 3: Cross multiply
    125,687.13x = 173,449.37 × 68,326.57
  4. Step 4: Simplify right side
    125,687.13x = 11,851,199,745.50
  5. Step 5: Solve for x
    x = 11,851,199,745.50/125,687.13
  6. Step 6: Final answer
    x = 94,291.28

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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.