Home / 161,398.12-242,097.20-43,069.88

Finding the Fourth Proportional to 161,398.12, 242,097.20 and 43,069.88

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Solution

The fourth proportional to 161,398.12, 242,097.20 and 43,069.88 is: 64,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,398.12 : 242,097.20 = 43,069.88 : x
  2. Step 2: Convert to fraction form
    161,398.12/242,097.20 = 43,069.88/x
  3. Step 3: Cross multiply
    161,398.12x = 242,097.20 × 43,069.88
  4. Step 4: Simplify right side
    161,398.12x = 10,427,097,352.34
  5. Step 5: Solve for x
    x = 10,427,097,352.34/161,398.12
  6. Step 6: Final answer
    x = 64,604.83

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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.