Home / 125,141.29-187,650.64-61,888.12

Finding the Fourth Proportional to 125,141.29, 187,650.64 and 61,888.12

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Solution

The fourth proportional to 125,141.29, 187,650.64 and 61,888.12 is: 92,801.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,141.29 : 187,650.64 = 61,888.12 : x
  2. Step 2: Convert to fraction form
    125,141.29/187,650.64 = 61,888.12/x
  3. Step 3: Cross multiply
    125,141.29x = 187,650.64 × 61,888.12
  4. Step 4: Simplify right side
    125,141.29x = 11,613,345,326.40
  5. Step 5: Solve for x
    x = 11,613,345,326.40/125,141.29
  6. Step 6: Final answer
    x = 92,801.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.