Home / 165,920.20-248,880.30-156,934.60

Finding the Fourth Proportional to 165,920.20, 248,880.30 and 156,934.60

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Solution

The fourth proportional to 165,920.20, 248,880.30 and 156,934.60 is: 235,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,920.20 : 248,880.30 = 156,934.60 : x
  2. Step 2: Convert to fraction form
    165,920.20/248,880.30 = 156,934.60/x
  3. Step 3: Cross multiply
    165,920.20x = 248,880.30 × 156,934.60
  4. Step 4: Simplify right side
    165,920.20x = 39,057,930,328.38
  5. Step 5: Solve for x
    x = 39,057,930,328.38/165,920.20
  6. Step 6: Final answer
    x = 235,401.90

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1.5x scale

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.