Home / 129,370.14-194,063.40-40,627.14

Finding the Fourth Proportional to 129,370.14, 194,063.40 and 40,627.14

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Solution

The fourth proportional to 129,370.14, 194,063.40 and 40,627.14 is: 60,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,370.14 : 194,063.40 = 40,627.14 : x
  2. Step 2: Convert to fraction form
    129,370.14/194,063.40 = 40,627.14/x
  3. Step 3: Cross multiply
    129,370.14x = 194,063.40 × 40,627.14
  4. Step 4: Simplify right side
    129,370.14x = 7,884,240,920.68
  5. Step 5: Solve for x
    x = 7,884,240,920.68/129,370.14
  6. Step 6: Final answer
    x = 60,943.28

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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.