Home / 129,225.73-193,838.66-49,245.05

Finding the Fourth Proportional to 129,225.73, 193,838.66 and 49,245.05

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Solution

The fourth proportional to 129,225.73, 193,838.66 and 49,245.05 is: 73,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,225.73 : 193,838.66 = 49,245.05 : x
  2. Step 2: Convert to fraction form
    129,225.73/193,838.66 = 49,245.05/x
  3. Step 3: Cross multiply
    129,225.73x = 193,838.66 × 49,245.05
  4. Step 4: Simplify right side
    129,225.73x = 9,545,593,974.83
  5. Step 5: Solve for x
    x = 9,545,593,974.83/129,225.73
  6. Step 6: Final answer
    x = 73,867.60

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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.