Home / 148,621.83-222,972.98-105,981.14

Finding the Fourth Proportional to 148,621.83, 222,972.98 and 105,981.14

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Solution

The fourth proportional to 148,621.83, 222,972.98 and 105,981.14 is: 159,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,621.83 : 222,972.98 = 105,981.14 : x
  2. Step 2: Convert to fraction form
    148,621.83/222,972.98 = 105,981.14/x
  3. Step 3: Cross multiply
    148,621.83x = 222,972.98 × 105,981.14
  4. Step 4: Simplify right side
    148,621.83x = 23,630,930,609.60
  5. Step 5: Solve for x
    x = 23,630,930,609.60/148,621.83
  6. Step 6: Final answer
    x = 159,000.40

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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.