Home / 162,205.38-243,016.47-98,992.58

Finding the Fourth Proportional to 162,205.38, 243,016.47 and 98,992.58

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Solution

The fourth proportional to 162,205.38, 243,016.47 and 98,992.58 is: 148,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,205.38 : 243,016.47 = 98,992.58 : x
  2. Step 2: Convert to fraction form
    162,205.38/243,016.47 = 98,992.58/x
  3. Step 3: Cross multiply
    162,205.38x = 243,016.47 × 98,992.58
  4. Step 4: Simplify right side
    162,205.38x = 24,056,826,132.71
  5. Step 5: Solve for x
    x = 24,056,826,132.71/162,205.38
  6. Step 6: Final answer
    x = 148,310.90

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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.