Home / 154,377.72-231,582.90-49,172.04

Finding the Fourth Proportional to 154,377.72, 231,582.90 and 49,172.04

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Solution

The fourth proportional to 154,377.72, 231,582.90 and 49,172.04 is: 73,763.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,377.72 : 231,582.90 = 49,172.04 : x
  2. Step 2: Convert to fraction form
    154,377.72/231,582.90 = 49,172.04/x
  3. Step 3: Cross multiply
    154,377.72x = 231,582.90 × 49,172.04
  4. Step 4: Simplify right side
    154,377.72x = 11,387,403,622.12
  5. Step 5: Solve for x
    x = 11,387,403,622.12/154,377.72
  6. Step 6: Final answer
    x = 73,763.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.