Home / 127,631.32-191,446.92-52,669.06

Finding the Fourth Proportional to 127,631.32, 191,446.92 and 52,669.06

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Solution

The fourth proportional to 127,631.32, 191,446.92 and 52,669.06 is: 79,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,631.32 : 191,446.92 = 52,669.06 : x
  2. Step 2: Convert to fraction form
    127,631.32/191,446.92 = 52,669.06/x
  3. Step 3: Cross multiply
    127,631.32x = 191,446.92 × 52,669.06
  4. Step 4: Simplify right side
    127,631.32x = 10,083,328,359.06
  5. Step 5: Solve for x
    x = 10,083,328,359.06/127,631.32
  6. Step 6: Final answer
    x = 79,003.56

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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.