Home / 179,008.98-247,013.25-103,543.38

Finding the Fourth Proportional to 179,008.98, 247,013.25 and 103,543.38

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Solution

The fourth proportional to 179,008.98, 247,013.25 and 103,543.38 is: 142,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,008.98 : 247,013.25 = 103,543.38 : x
  2. Step 2: Convert to fraction form
    179,008.98/247,013.25 = 103,543.38/x
  3. Step 3: Cross multiply
    179,008.98x = 247,013.25 × 103,543.38
  4. Step 4: Simplify right side
    179,008.98x = 25,576,586,809.79
  5. Step 5: Solve for x
    x = 25,576,586,809.79/179,008.98
  6. Step 6: Final answer
    x = 142,878.79

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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.