Home / 179,285.12-247,419.36-98,718.56

Finding the Fourth Proportional to 179,285.12, 247,419.36 and 98,718.56

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Solution

The fourth proportional to 179,285.12, 247,419.36 and 98,718.56 is: 136,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,285.12 : 247,419.36 = 98,718.56 : x
  2. Step 2: Convert to fraction form
    179,285.12/247,419.36 = 98,718.56/x
  3. Step 3: Cross multiply
    179,285.12x = 247,419.36 × 98,718.56
  4. Step 4: Simplify right side
    179,285.12x = 24,424,882,935.32
  5. Step 5: Solve for x
    x = 24,424,882,935.32/179,285.12
  6. Step 6: Final answer
    x = 136,234.86

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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.