Home / 125,196.53-172,771.13-68,606.69

Finding the Fourth Proportional to 125,196.53, 172,771.13 and 68,606.69

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Solution

The fourth proportional to 125,196.53, 172,771.13 and 68,606.69 is: 94,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,196.53 : 172,771.13 = 68,606.69 : x
  2. Step 2: Convert to fraction form
    125,196.53/172,771.13 = 68,606.69/x
  3. Step 3: Cross multiply
    125,196.53x = 172,771.13 × 68,606.69
  4. Step 4: Simplify right side
    125,196.53x = 11,853,254,149.97
  5. Step 5: Solve for x
    x = 11,853,254,149.97/125,196.53
  6. Step 6: Final answer
    x = 94,677.18

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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.