Home / 161,487.40-222,621.66-113,592.10

Finding the Fourth Proportional to 161,487.40, 222,621.66 and 113,592.10

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Solution

The fourth proportional to 161,487.40, 222,621.66 and 113,592.10 is: 156,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,487.40 : 222,621.66 = 113,592.10 : x
  2. Step 2: Convert to fraction form
    161,487.40/222,621.66 = 113,592.10/x
  3. Step 3: Cross multiply
    161,487.40x = 222,621.66 × 113,592.10
  4. Step 4: Simplify right side
    161,487.40x = 25,288,061,864.89
  5. Step 5: Solve for x
    x = 25,288,061,864.89/161,487.40
  6. Step 6: Final answer
    x = 156,594.64

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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.