Home / 129,152.88-193,757.47-54,230.31

Finding the Fourth Proportional to 129,152.88, 193,757.47 and 54,230.31

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Solution

The fourth proportional to 129,152.88, 193,757.47 and 54,230.31 is: 81,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,152.88 : 193,757.47 = 54,230.31 : x
  2. Step 2: Convert to fraction form
    129,152.88/193,757.47 = 54,230.31/x
  3. Step 3: Cross multiply
    129,152.88x = 193,757.47 × 54,230.31
  4. Step 4: Simplify right side
    129,152.88x = 10,507,527,527.34
  5. Step 5: Solve for x
    x = 10,507,527,527.34/129,152.88
  6. Step 6: Final answer
    x = 81,357.28

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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.