Home / 129,276.29-193,908.80-40,527.77

Finding the Fourth Proportional to 129,276.29, 193,908.80 and 40,527.77

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Solution

The fourth proportional to 129,276.29, 193,908.80 and 40,527.77 is: 60,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,276.29 : 193,908.80 = 40,527.77 : x
  2. Step 2: Convert to fraction form
    129,276.29/193,908.80 = 40,527.77/x
  3. Step 3: Cross multiply
    129,276.29x = 193,908.80 × 40,527.77
  4. Step 4: Simplify right side
    129,276.29x = 7,858,691,044.74
  5. Step 5: Solve for x
    x = 7,858,691,044.74/129,276.29
  6. Step 6: Final answer
    x = 60,789.89

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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.