Home / 125,665.96-173,418.90-68,305.22

Finding the Fourth Proportional to 125,665.96, 173,418.90 and 68,305.22

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Solution

The fourth proportional to 125,665.96, 173,418.90 and 68,305.22 is: 94,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,665.96 : 173,418.90 = 68,305.22 : x
  2. Step 2: Convert to fraction form
    125,665.96/173,418.90 = 68,305.22/x
  3. Step 3: Cross multiply
    125,665.96x = 173,418.90 × 68,305.22
  4. Step 4: Simplify right side
    125,665.96x = 11,845,416,116.66
  5. Step 5: Solve for x
    x = 11,845,416,116.66/125,665.96
  6. Step 6: Final answer
    x = 94,261.14

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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.