Home / 161,765.10-242,604.45-49,445.10

Finding the Fourth Proportional to 161,765.10, 242,604.45 and 49,445.10

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Solution

The fourth proportional to 161,765.10, 242,604.45 and 49,445.10 is: 74,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,765.10 : 242,604.45 = 49,445.10 : x
  2. Step 2: Convert to fraction form
    161,765.10/242,604.45 = 49,445.10/x
  3. Step 3: Cross multiply
    161,765.10x = 242,604.45 × 49,445.10
  4. Step 4: Simplify right side
    161,765.10x = 11,995,601,290.70
  5. Step 5: Solve for x
    x = 11,995,601,290.70/161,765.10
  6. Step 6: Final answer
    x = 74,154.45

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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.