Home / 129,011.52-193,467.56-50,115.36

Finding the Fourth Proportional to 129,011.52, 193,467.56 and 50,115.36

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Solution

The fourth proportional to 129,011.52, 193,467.56 and 50,115.36 is: 75,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,011.52 : 193,467.56 = 50,115.36 : x
  2. Step 2: Convert to fraction form
    129,011.52/193,467.56 = 50,115.36/x
  3. Step 3: Cross multiply
    129,011.52x = 193,467.56 × 50,115.36
  4. Step 4: Simplify right side
    129,011.52x = 9,695,696,417.72
  5. Step 5: Solve for x
    x = 9,695,696,417.72/129,011.52
  6. Step 6: Final answer
    x = 75,153.73

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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.