Home / 162,435.12-243,486.72-92,166

Finding the Fourth Proportional to 162,435.12, 243,486.72 and 92,166

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Solution

The fourth proportional to 162,435.12, 243,486.72 and 92,166 is: 138,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,435.12 : 243,486.72 = 92,166 : x
  2. Step 2: Convert to fraction form
    162,435.12/243,486.72 = 92,166/x
  3. Step 3: Cross multiply
    162,435.12x = 243,486.72 × 92,166
  4. Step 4: Simplify right side
    162,435.12x = 22,441,197,035.52
  5. Step 5: Solve for x
    x = 22,441,197,035.52/162,435.12
  6. Step 6: Final answer
    x = 138,154.83

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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.