Home / 148,930.40-223,395.60-132,341.60

Finding the Fourth Proportional to 148,930.40, 223,395.60 and 132,341.60

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Solution

The fourth proportional to 148,930.40, 223,395.60 and 132,341.60 is: 198,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,930.40 : 223,395.60 = 132,341.60 : x
  2. Step 2: Convert to fraction form
    148,930.40/223,395.60 = 132,341.60/x
  3. Step 3: Cross multiply
    148,930.40x = 223,395.60 × 132,341.60
  4. Step 4: Simplify right side
    148,930.40x = 29,564,531,136.96
  5. Step 5: Solve for x
    x = 29,564,531,136.96/148,930.40
  6. Step 6: Final answer
    x = 198,512.40

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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.