Home / 129,256.40-193,884.24-40,510.28

Finding the Fourth Proportional to 129,256.40, 193,884.24 and 40,510.28

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Solution

The fourth proportional to 129,256.40, 193,884.24 and 40,510.28 is: 60,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,256.40 : 193,884.24 = 40,510.28 : x
  2. Step 2: Convert to fraction form
    129,256.40/193,884.24 = 40,510.28/x
  3. Step 3: Cross multiply
    129,256.40x = 193,884.24 × 40,510.28
  4. Step 4: Simplify right side
    129,256.40x = 7,854,304,849.99
  5. Step 5: Solve for x
    x = 7,854,304,849.99/129,256.40
  6. Step 6: Final answer
    x = 60,765.31

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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.