Home / 141,395.45-195,155.45-89,679.06

Finding the Fourth Proportional to 141,395.45, 195,155.45 and 89,679.06

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Solution

The fourth proportional to 141,395.45, 195,155.45 and 89,679.06 is: 123,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,395.45 : 195,155.45 = 89,679.06 : x
  2. Step 2: Convert to fraction form
    141,395.45/195,155.45 = 89,679.06/x
  3. Step 3: Cross multiply
    141,395.45x = 195,155.45 × 89,679.06
  4. Step 4: Simplify right side
    141,395.45x = 17,501,356,861.48
  5. Step 5: Solve for x
    x = 17,501,356,861.48/141,395.45
  6. Step 6: Final answer
    x = 123,775.96

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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.