Home / 179,487.39-247,689.56-98,913.20

Finding the Fourth Proportional to 179,487.39, 247,689.56 and 98,913.20

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Solution

The fourth proportional to 179,487.39, 247,689.56 and 98,913.20 is: 136,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,487.39 : 247,689.56 = 98,913.20 : x
  2. Step 2: Convert to fraction form
    179,487.39/247,689.56 = 98,913.20/x
  3. Step 3: Cross multiply
    179,487.39x = 247,689.56 × 98,913.20
  4. Step 4: Simplify right side
    179,487.39x = 24,499,765,253.18
  5. Step 5: Solve for x
    x = 24,499,765,253.18/179,487.39
  6. Step 6: Final answer
    x = 136,498.53

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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.