Home / 187,726.74-259,081.50-107,166.39

Finding the Fourth Proportional to 187,726.74, 259,081.50 and 107,166.39

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Solution

The fourth proportional to 187,726.74, 259,081.50 and 107,166.39 is: 147,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,726.74 : 259,081.50 = 107,166.39 : x
  2. Step 2: Convert to fraction form
    187,726.74/259,081.50 = 107,166.39/x
  3. Step 3: Cross multiply
    187,726.74x = 259,081.50 × 107,166.39
  4. Step 4: Simplify right side
    187,726.74x = 27,764,829,070.79
  5. Step 5: Solve for x
    x = 27,764,829,070.79/187,726.74
  6. Step 6: Final answer
    x = 147,900.24

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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.