Home / 342,744.04-472,919.52-215,346.04

Finding the Fourth Proportional to 342,744.04, 472,919.52 and 215,346.04

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Solution

The fourth proportional to 342,744.04, 472,919.52 and 215,346.04 is: 297,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,744.04 : 472,919.52 = 215,346.04 : x
  2. Step 2: Convert to fraction form
    342,744.04/472,919.52 = 215,346.04/x
  3. Step 3: Cross multiply
    342,744.04x = 472,919.52 × 215,346.04
  4. Step 4: Simplify right side
    342,744.04x = 101,841,345,870.70
  5. Step 5: Solve for x
    x = 101,841,345,870.70/342,744.04
  6. Step 6: Final answer
    x = 297,135.28

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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.