Home / 109,149.12-163,723.14-94,312.89

Finding the Fourth Proportional to 109,149.12, 163,723.14 and 94,312.89

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Solution

The fourth proportional to 109,149.12, 163,723.14 and 94,312.89 is: 141,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,149.12 : 163,723.14 = 94,312.89 : x
  2. Step 2: Convert to fraction form
    109,149.12/163,723.14 = 94,312.89/x
  3. Step 3: Cross multiply
    109,149.12x = 163,723.14 × 94,312.89
  4. Step 4: Simplify right side
    109,149.12x = 15,441,202,493.27
  5. Step 5: Solve for x
    x = 15,441,202,493.27/109,149.12
  6. Step 6: Final answer
    x = 141,468.87

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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.