Home / 131,610.08-181,644.26-74,265.66

Finding the Fourth Proportional to 131,610.08, 181,644.26 and 74,265.66

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Solution

The fourth proportional to 131,610.08, 181,644.26 and 74,265.66 is: 102,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,610.08 : 181,644.26 = 74,265.66 : x
  2. Step 2: Convert to fraction form
    131,610.08/181,644.26 = 74,265.66/x
  3. Step 3: Cross multiply
    131,610.08x = 181,644.26 × 74,265.66
  4. Step 4: Simplify right side
    131,610.08x = 13,489,930,482.78
  5. Step 5: Solve for x
    x = 13,489,930,482.78/131,610.08
  6. Step 6: Final answer
    x = 102,499.22

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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.