Home / 129,352.17-194,028.39-40,612.62

Finding the Fourth Proportional to 129,352.17, 194,028.39 and 40,612.62

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Solution

The fourth proportional to 129,352.17, 194,028.39 and 40,612.62 is: 60,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,352.17 : 194,028.39 = 40,612.62 : x
  2. Step 2: Convert to fraction form
    129,352.17/194,028.39 = 40,612.62/x
  3. Step 3: Cross multiply
    129,352.17x = 194,028.39 × 40,612.62
  4. Step 4: Simplify right side
    129,352.17x = 7,880,001,272.28
  5. Step 5: Solve for x
    x = 7,880,001,272.28/129,352.17
  6. Step 6: Final answer
    x = 60,918.97

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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.