Home / 141,232.88-194,829.28-90,191.96

Finding the Fourth Proportional to 141,232.88, 194,829.28 and 90,191.96

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Solution

The fourth proportional to 141,232.88, 194,829.28 and 90,191.96 is: 124,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,232.88 : 194,829.28 = 90,191.96 : x
  2. Step 2: Convert to fraction form
    141,232.88/194,829.28 = 90,191.96/x
  3. Step 3: Cross multiply
    141,232.88x = 194,829.28 × 90,191.96
  4. Step 4: Simplify right side
    141,232.88x = 17,572,034,628.59
  5. Step 5: Solve for x
    x = 17,572,034,628.59/141,232.88
  6. Step 6: Final answer
    x = 124,418.86

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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.