Home / 129,278.63-193,917.30-33,215.76

Finding the Fourth Proportional to 129,278.63, 193,917.30 and 33,215.76

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Solution

The fourth proportional to 129,278.63, 193,917.30 and 33,215.76 is: 49,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,278.63 : 193,917.30 = 33,215.76 : x
  2. Step 2: Convert to fraction form
    129,278.63/193,917.30 = 33,215.76/x
  3. Step 3: Cross multiply
    129,278.63x = 193,917.30 × 33,215.76
  4. Step 4: Simplify right side
    129,278.63x = 6,441,110,496.65
  5. Step 5: Solve for x
    x = 6,441,110,496.65/129,278.63
  6. Step 6: Final answer
    x = 49,823.48

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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.