Home / 162,387.56-243,582.62-57,182.44

Finding the Fourth Proportional to 162,387.56, 243,582.62 and 57,182.44

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Solution

The fourth proportional to 162,387.56, 243,582.62 and 57,182.44 is: 85,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,387.56 : 243,582.62 = 57,182.44 : x
  2. Step 2: Convert to fraction form
    162,387.56/243,582.62 = 57,182.44/x
  3. Step 3: Cross multiply
    162,387.56x = 243,582.62 × 57,182.44
  4. Step 4: Simplify right side
    162,387.56x = 13,928,648,553.19
  5. Step 5: Solve for x
    x = 13,928,648,553.19/162,387.56
  6. Step 6: Final answer
    x = 85,774.11

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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.