Home / 217,505.12-299,983.92-179,713.76

Finding the Fourth Proportional to 217,505.12, 299,983.92 and 179,713.76

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Solution

The fourth proportional to 217,505.12, 299,983.92 and 179,713.76 is: 247,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,505.12 : 299,983.92 = 179,713.76 : x
  2. Step 2: Convert to fraction form
    217,505.12/299,983.92 = 179,713.76/x
  3. Step 3: Cross multiply
    217,505.12x = 299,983.92 × 179,713.76
  4. Step 4: Simplify right side
    217,505.12x = 53,911,238,202.74
  5. Step 5: Solve for x
    x = 53,911,238,202.74/217,505.12
  6. Step 6: Final answer
    x = 247,861.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.