Home / 125,198.24-172,773.72-68,609.76

Finding the Fourth Proportional to 125,198.24, 172,773.72 and 68,609.76

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Solution

The fourth proportional to 125,198.24, 172,773.72 and 68,609.76 is: 94,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,198.24 : 172,773.72 = 68,609.76 : x
  2. Step 2: Convert to fraction form
    125,198.24/172,773.72 = 68,609.76/x
  3. Step 3: Cross multiply
    125,198.24x = 172,773.72 × 68,609.76
  4. Step 4: Simplify right side
    125,198.24x = 11,853,963,463.51
  5. Step 5: Solve for x
    x = 11,853,963,463.51/125,198.24
  6. Step 6: Final answer
    x = 94,681.55

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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.