Home / 187,603.43-281,156.33-98,919.70

Finding the Fourth Proportional to 187,603.43, 281,156.33 and 98,919.70

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Solution

The fourth proportional to 187,603.43, 281,156.33 and 98,919.70 is: 148,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,603.43 : 281,156.33 = 98,919.70 : x
  2. Step 2: Convert to fraction form
    187,603.43/281,156.33 = 98,919.70/x
  3. Step 3: Cross multiply
    187,603.43x = 281,156.33 × 98,919.70
  4. Step 4: Simplify right side
    187,603.43x = 27,811,899,361.11
  5. Step 5: Solve for x
    x = 27,811,899,361.11/187,603.43
  6. Step 6: Final answer
    x = 148,248.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.