Home / 141,372.61-195,139.67-90,522.28

Finding the Fourth Proportional to 141,372.61, 195,139.67 and 90,522.28

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Solution

The fourth proportional to 141,372.61, 195,139.67 and 90,522.28 is: 124,949.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,372.61 : 195,139.67 = 90,522.28 : x
  2. Step 2: Convert to fraction form
    141,372.61/195,139.67 = 90,522.28/x
  3. Step 3: Cross multiply
    141,372.61x = 195,139.67 × 90,522.28
  4. Step 4: Simplify right side
    141,372.61x = 17,664,487,846.85
  5. Step 5: Solve for x
    x = 17,664,487,846.85/141,372.61
  6. Step 6: Final answer
    x = 124,949.86

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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.