Home / 178,631.75-246,461.31-115,006.38

Finding the Fourth Proportional to 178,631.75, 246,461.31 and 115,006.38

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Solution

The fourth proportional to 178,631.75, 246,461.31 and 115,006.38 is: 158,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,631.75 : 246,461.31 = 115,006.38 : x
  2. Step 2: Convert to fraction form
    178,631.75/246,461.31 = 115,006.38/x
  3. Step 3: Cross multiply
    178,631.75x = 246,461.31 × 115,006.38
  4. Step 4: Simplify right side
    178,631.75x = 28,344,623,073.16
  5. Step 5: Solve for x
    x = 28,344,623,073.16/178,631.75
  6. Step 6: Final answer
    x = 158,676.29

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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.