Home / 136,032.20-204,048.30-102,854.60

Finding the Fourth Proportional to 136,032.20, 204,048.30 and 102,854.60

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Solution

The fourth proportional to 136,032.20, 204,048.30 and 102,854.60 is: 154,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,032.20 : 204,048.30 = 102,854.60 : x
  2. Step 2: Convert to fraction form
    136,032.20/204,048.30 = 102,854.60/x
  3. Step 3: Cross multiply
    136,032.20x = 204,048.30 × 102,854.60
  4. Step 4: Simplify right side
    136,032.20x = 20,987,306,277.18
  5. Step 5: Solve for x
    x = 20,987,306,277.18/136,032.20
  6. Step 6: Final answer
    x = 154,281.90

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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.