Home / 162,413.20-243,453.72-92,144.08

Finding the Fourth Proportional to 162,413.20, 243,453.72 and 92,144.08

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Solution

The fourth proportional to 162,413.20, 243,453.72 and 92,144.08 is: 138,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,413.20 : 243,453.72 = 92,144.08 : x
  2. Step 2: Convert to fraction form
    162,413.20/243,453.72 = 92,144.08/x
  3. Step 3: Cross multiply
    162,413.20x = 243,453.72 × 92,144.08
  4. Step 4: Simplify right side
    162,413.20x = 22,432,819,051.98
  5. Step 5: Solve for x
    x = 22,432,819,051.98/162,413.20
  6. Step 6: Final answer
    x = 138,121.90

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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.