Home / 315,190.24-472,351.70-135,060.04

Finding the Fourth Proportional to 315,190.24, 472,351.70 and 135,060.04

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Solution

The fourth proportional to 315,190.24, 472,351.70 and 135,060.04 is: 202,404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,190.24 : 472,351.70 = 135,060.04 : x
  2. Step 2: Convert to fraction form
    315,190.24/472,351.70 = 135,060.04/x
  3. Step 3: Cross multiply
    315,190.24x = 472,351.70 × 135,060.04
  4. Step 4: Simplify right side
    315,190.24x = 63,795,840,424.16
  5. Step 5: Solve for x
    x = 63,795,840,424.16/315,190.24
  6. Step 6: Final answer
    x = 202,404.24

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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.