Home / 129,157.94-193,731.55-44,937.18

Finding the Fourth Proportional to 129,157.94, 193,731.55 and 44,937.18

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Solution

The fourth proportional to 129,157.94, 193,731.55 and 44,937.18 is: 67,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,157.94 : 193,731.55 = 44,937.18 : x
  2. Step 2: Convert to fraction form
    129,157.94/193,731.55 = 44,937.18/x
  3. Step 3: Cross multiply
    129,157.94x = 193,731.55 × 44,937.18
  4. Step 4: Simplify right side
    129,157.94x = 8,705,749,421.69
  5. Step 5: Solve for x
    x = 8,705,749,421.69/129,157.94
  6. Step 6: Final answer
    x = 67,403.90

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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.