Home / 107,942.28-148,827.96-88,755

Finding the Fourth Proportional to 107,942.28, 148,827.96 and 88,755

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Solution

The fourth proportional to 107,942.28, 148,827.96 and 88,755 is: 122,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,942.28 : 148,827.96 = 88,755 : x
  2. Step 2: Convert to fraction form
    107,942.28/148,827.96 = 88,755/x
  3. Step 3: Cross multiply
    107,942.28x = 148,827.96 × 88,755
  4. Step 4: Simplify right side
    107,942.28x = 13,209,225,589.80
  5. Step 5: Solve for x
    x = 13,209,225,589.80/107,942.28
  6. Step 6: Final answer
    x = 122,373.05

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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.