Home / 179,185.88-247,299.28-115,708.16

Finding the Fourth Proportional to 179,185.88, 247,299.28 and 115,708.16

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Solution

The fourth proportional to 179,185.88, 247,299.28 and 115,708.16 is: 159,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,185.88 : 247,299.28 = 115,708.16 : x
  2. Step 2: Convert to fraction form
    179,185.88/247,299.28 = 115,708.16/x
  3. Step 3: Cross multiply
    179,185.88x = 247,299.28 × 115,708.16
  4. Step 4: Simplify right side
    179,185.88x = 28,614,544,658.12
  5. Step 5: Solve for x
    x = 28,614,544,658.12/179,185.88
  6. Step 6: Final answer
    x = 159,691.96

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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.