Home / 129,247.04-193,870.67-40,507.56

Finding the Fourth Proportional to 129,247.04, 193,870.67 and 40,507.56

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Solution

The fourth proportional to 129,247.04, 193,870.67 and 40,507.56 is: 60,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,247.04 : 193,870.67 = 40,507.56 : x
  2. Step 2: Convert to fraction form
    129,247.04/193,870.67 = 40,507.56/x
  3. Step 3: Cross multiply
    129,247.04x = 193,870.67 × 40,507.56
  4. Step 4: Simplify right side
    129,247.04x = 7,853,227,594.73
  5. Step 5: Solve for x
    x = 7,853,227,594.73/129,247.04
  6. Step 6: Final answer
    x = 60,761.37

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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.