Home / 129,770.04-194,655.06-50,921.40

Finding the Fourth Proportional to 129,770.04, 194,655.06 and 50,921.40

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Solution

The fourth proportional to 129,770.04, 194,655.06 and 50,921.40 is: 76,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,770.04 : 194,655.06 = 50,921.40 : x
  2. Step 2: Convert to fraction form
    129,770.04/194,655.06 = 50,921.40/x
  3. Step 3: Cross multiply
    129,770.04x = 194,655.06 × 50,921.40
  4. Step 4: Simplify right side
    129,770.04x = 9,912,108,172.28
  5. Step 5: Solve for x
    x = 9,912,108,172.28/129,770.04
  6. Step 6: Final answer
    x = 76,382.10

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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.