Home / 179,601.65-247,886.20-103,173.18

Finding the Fourth Proportional to 179,601.65, 247,886.20 and 103,173.18

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Solution

The fourth proportional to 179,601.65, 247,886.20 and 103,173.18 is: 142,399.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,601.65 : 247,886.20 = 103,173.18 : x
  2. Step 2: Convert to fraction form
    179,601.65/247,886.20 = 103,173.18/x
  3. Step 3: Cross multiply
    179,601.65x = 247,886.20 × 103,173.18
  4. Step 4: Simplify right side
    179,601.65x = 25,575,206,292.69
  5. Step 5: Solve for x
    x = 25,575,206,292.69/179,601.65
  6. Step 6: Final answer
    x = 142,399.62

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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.