Home / 179,785.71-247,999.51-115,231.95

Finding the Fourth Proportional to 179,785.71, 247,999.51 and 115,231.95

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Solution

The fourth proportional to 179,785.71, 247,999.51 and 115,231.95 is: 158,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,785.71 : 247,999.51 = 115,231.95 : x
  2. Step 2: Convert to fraction form
    179,785.71/247,999.51 = 115,231.95/x
  3. Step 3: Cross multiply
    179,785.71x = 247,999.51 × 115,231.95
  4. Step 4: Simplify right side
    179,785.71x = 28,577,467,136.34
  5. Step 5: Solve for x
    x = 28,577,467,136.34/179,785.71
  6. Step 6: Final answer
    x = 158,952.94

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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.