Home / 187,856.28-259,244.81-101,818.03

Finding the Fourth Proportional to 187,856.28, 259,244.81 and 101,818.03

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Solution

The fourth proportional to 187,856.28, 259,244.81 and 101,818.03 is: 140,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,856.28 : 259,244.81 = 101,818.03 : x
  2. Step 2: Convert to fraction form
    187,856.28/259,244.81 = 101,818.03/x
  3. Step 3: Cross multiply
    187,856.28x = 259,244.81 × 101,818.03
  4. Step 4: Simplify right side
    187,856.28x = 26,395,794,036.61
  5. Step 5: Solve for x
    x = 26,395,794,036.61/187,856.28
  6. Step 6: Final answer
    x = 140,510.58

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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.