Home / 342,153.06-472,168.38-189,197.92

Finding the Fourth Proportional to 342,153.06, 472,168.38 and 189,197.92

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Solution

The fourth proportional to 342,153.06, 472,168.38 and 189,197.92 is: 261,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,153.06 : 472,168.38 = 189,197.92 : x
  2. Step 2: Convert to fraction form
    342,153.06/472,168.38 = 189,197.92/x
  3. Step 3: Cross multiply
    342,153.06x = 472,168.38 × 189,197.92
  4. Step 4: Simplify right side
    342,153.06x = 89,333,275,385.77
  5. Step 5: Solve for x
    x = 89,333,275,385.77/342,153.06
  6. Step 6: Final answer
    x = 261,091.56

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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.