Home / 162,436.12-243,488.22-92,167

Finding the Fourth Proportional to 162,436.12, 243,488.22 and 92,167

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Solution

The fourth proportional to 162,436.12, 243,488.22 and 92,167 is: 138,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,436.12 : 243,488.22 = 92,167 : x
  2. Step 2: Convert to fraction form
    162,436.12/243,488.22 = 92,167/x
  3. Step 3: Cross multiply
    162,436.12x = 243,488.22 × 92,167
  4. Step 4: Simplify right side
    162,436.12x = 22,441,578,772.74
  5. Step 5: Solve for x
    x = 22,441,578,772.74/162,436.12
  6. Step 6: Final answer
    x = 138,156.33

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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.