Home / 179,699.10-247,983.42-99,124.75

Finding the Fourth Proportional to 179,699.10, 247,983.42 and 99,124.75

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Solution

The fourth proportional to 179,699.10, 247,983.42 and 99,124.75 is: 136,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,699.10 : 247,983.42 = 99,124.75 : x
  2. Step 2: Convert to fraction form
    179,699.10/247,983.42 = 99,124.75/x
  3. Step 3: Cross multiply
    179,699.10x = 247,983.42 × 99,124.75
  4. Step 4: Simplify right side
    179,699.10x = 24,581,294,511.65
  5. Step 5: Solve for x
    x = 24,581,294,511.65/179,699.10
  6. Step 6: Final answer
    x = 136,791.42

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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.