Home / 192,531.92-265,693.32-107,648.72

Finding the Fourth Proportional to 192,531.92, 265,693.32 and 107,648.72

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Solution

The fourth proportional to 192,531.92, 265,693.32 and 107,648.72 is: 148,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,531.92 : 265,693.32 = 107,648.72 : x
  2. Step 2: Convert to fraction form
    192,531.92/265,693.32 = 107,648.72/x
  3. Step 3: Cross multiply
    192,531.92x = 265,693.32 × 107,648.72
  4. Step 4: Simplify right side
    192,531.92x = 28,601,545,810.55
  5. Step 5: Solve for x
    x = 28,601,545,810.55/192,531.92
  6. Step 6: Final answer
    x = 148,554.83

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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.