Home / 148,495.80-222,743.70-109,129.80

Finding the Fourth Proportional to 148,495.80, 222,743.70 and 109,129.80

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Solution

The fourth proportional to 148,495.80, 222,743.70 and 109,129.80 is: 163,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,495.80 : 222,743.70 = 109,129.80 : x
  2. Step 2: Convert to fraction form
    148,495.80/222,743.70 = 109,129.80/x
  3. Step 3: Cross multiply
    148,495.80x = 222,743.70 × 109,129.80
  4. Step 4: Simplify right side
    148,495.80x = 24,307,975,432.26
  5. Step 5: Solve for x
    x = 24,307,975,432.26/148,495.80
  6. Step 6: Final answer
    x = 163,694.70

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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.