Home / 129,078.93-193,543.20-50,100.89

Finding the Fourth Proportional to 129,078.93, 193,543.20 and 50,100.89

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Solution

The fourth proportional to 129,078.93, 193,543.20 and 50,100.89 is: 75,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,078.93 : 193,543.20 = 50,100.89 : x
  2. Step 2: Convert to fraction form
    129,078.93/193,543.20 = 50,100.89/x
  3. Step 3: Cross multiply
    129,078.93x = 193,543.20 × 50,100.89
  4. Step 4: Simplify right side
    129,078.93x = 9,696,685,605.73
  5. Step 5: Solve for x
    x = 9,696,685,605.73/129,078.93
  6. Step 6: Final answer
    x = 75,122.14

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1.5x scale

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.