Home / 129,272.40-193,908.24-40,526.28

Finding the Fourth Proportional to 129,272.40, 193,908.24 and 40,526.28

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Solution

The fourth proportional to 129,272.40, 193,908.24 and 40,526.28 is: 60,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,272.40 : 193,908.24 = 40,526.28 : x
  2. Step 2: Convert to fraction form
    129,272.40/193,908.24 = 40,526.28/x
  3. Step 3: Cross multiply
    129,272.40x = 193,908.24 × 40,526.28
  4. Step 4: Simplify right side
    129,272.40x = 7,858,379,628.55
  5. Step 5: Solve for x
    x = 7,858,379,628.55/129,272.40
  6. Step 6: Final answer
    x = 60,789.31

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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.