Home / 125,196.24-172,770.96-68,607.76

Finding the Fourth Proportional to 125,196.24, 172,770.96 and 68,607.76

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Solution

The fourth proportional to 125,196.24, 172,770.96 and 68,607.76 is: 94,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,196.24 : 172,770.96 = 68,607.76 : x
  2. Step 2: Convert to fraction form
    125,196.24/172,770.96 = 68,607.76/x
  3. Step 3: Cross multiply
    125,196.24x = 172,770.96 × 68,607.76
  4. Step 4: Simplify right side
    125,196.24x = 11,853,428,558.65
  5. Step 5: Solve for x
    x = 11,853,428,558.65/125,196.24
  6. Step 6: Final answer
    x = 94,678.79

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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.