Home / 179,988.52-248,432.16-103,515.88

Finding the Fourth Proportional to 179,988.52, 248,432.16 and 103,515.88

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Solution

The fourth proportional to 179,988.52, 248,432.16 and 103,515.88 is: 142,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,988.52 : 248,432.16 = 103,515.88 : x
  2. Step 2: Convert to fraction form
    179,988.52/248,432.16 = 103,515.88/x
  3. Step 3: Cross multiply
    179,988.52x = 248,432.16 × 103,515.88
  4. Step 4: Simplify right side
    179,988.52x = 25,716,673,662.70
  5. Step 5: Solve for x
    x = 25,716,673,662.70/179,988.52
  6. Step 6: Final answer
    x = 142,879.52

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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.