Home / 315,023.04-472,344.52-125,512.62

Finding the Fourth Proportional to 315,023.04, 472,344.52 and 125,512.62

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Solution

The fourth proportional to 315,023.04, 472,344.52 and 125,512.62 is: 188,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,023.04 : 472,344.52 = 125,512.62 : x
  2. Step 2: Convert to fraction form
    315,023.04/472,344.52 = 125,512.62/x
  3. Step 3: Cross multiply
    315,023.04x = 472,344.52 × 125,512.62
  4. Step 4: Simplify right side
    315,023.04x = 59,285,198,247.84
  5. Step 5: Solve for x
    x = 59,285,198,247.84/315,023.04
  6. Step 6: Final answer
    x = 188,193.21

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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.