Home / 269,590.04-371,869.36-172,761.28

Finding the Fourth Proportional to 269,590.04, 371,869.36 and 172,761.28

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Solution

The fourth proportional to 269,590.04, 371,869.36 and 172,761.28 is: 238,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,590.04 : 371,869.36 = 172,761.28 : x
  2. Step 2: Convert to fraction form
    269,590.04/371,869.36 = 172,761.28/x
  3. Step 3: Cross multiply
    269,590.04x = 371,869.36 × 172,761.28
  4. Step 4: Simplify right side
    269,590.04x = 64,244,626,626.38
  5. Step 5: Solve for x
    x = 64,244,626,626.38/269,590.04
  6. Step 6: Final answer
    x = 238,304.90

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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.