Home / 129,034.28-193,550.34-70,243.76

Finding the Fourth Proportional to 129,034.28, 193,550.34 and 70,243.76

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Solution

The fourth proportional to 129,034.28, 193,550.34 and 70,243.76 is: 105,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,034.28 : 193,550.34 = 70,243.76 : x
  2. Step 2: Convert to fraction form
    129,034.28/193,550.34 = 70,243.76/x
  3. Step 3: Cross multiply
    129,034.28x = 193,550.34 × 70,243.76
  4. Step 4: Simplify right side
    129,034.28x = 13,595,703,630.88
  5. Step 5: Solve for x
    x = 13,595,703,630.88/129,034.28
  6. Step 6: Final answer
    x = 105,365.05

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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.