Home / 187,823.76-259,196.27-101,785.11

Finding the Fourth Proportional to 187,823.76, 259,196.27 and 101,785.11

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Solution

The fourth proportional to 187,823.76, 259,196.27 and 101,785.11 is: 140,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,823.76 : 259,196.27 = 101,785.11 : x
  2. Step 2: Convert to fraction form
    187,823.76/259,196.27 = 101,785.11/x
  3. Step 3: Cross multiply
    187,823.76x = 259,196.27 × 101,785.11
  4. Step 4: Simplify right side
    187,823.76x = 26,382,320,344.61
  5. Step 5: Solve for x
    x = 26,382,320,344.61/187,823.76
  6. Step 6: Final answer
    x = 140,463.17

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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.