Home / 148,977.90-223,138.80-132,356.70

Finding the Fourth Proportional to 148,977.90, 223,138.80 and 132,356.70

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Solution

The fourth proportional to 148,977.90, 223,138.80 and 132,356.70 is: 198,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,977.90 : 223,138.80 = 132,356.70 : x
  2. Step 2: Convert to fraction form
    148,977.90/223,138.80 = 132,356.70/x
  3. Step 3: Cross multiply
    148,977.90x = 223,138.80 × 132,356.70
  4. Step 4: Simplify right side
    148,977.90x = 29,533,915,209.96
  5. Step 5: Solve for x
    x = 29,533,915,209.96/148,977.90
  6. Step 6: Final answer
    x = 198,243.60

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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.