Home / 187,901.68-259,272.72-124,216.24

Finding the Fourth Proportional to 187,901.68, 259,272.72 and 124,216.24

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Solution

The fourth proportional to 187,901.68, 259,272.72 and 124,216.24 is: 171,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,901.68 : 259,272.72 = 124,216.24 : x
  2. Step 2: Convert to fraction form
    187,901.68/259,272.72 = 124,216.24/x
  3. Step 3: Cross multiply
    187,901.68x = 259,272.72 × 124,216.24
  4. Step 4: Simplify right side
    187,901.68x = 32,205,882,412.97
  5. Step 5: Solve for x
    x = 32,205,882,412.97/187,901.68
  6. Step 6: Final answer
    x = 171,397.52

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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.