Home / 151,194.60-226,782.79-66,930.10

Finding the Fourth Proportional to 151,194.60, 226,782.79 and 66,930.10

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Solution

The fourth proportional to 151,194.60, 226,782.79 and 66,930.10 is: 100,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,194.60 : 226,782.79 = 66,930.10 : x
  2. Step 2: Convert to fraction form
    151,194.60/226,782.79 = 66,930.10/x
  3. Step 3: Cross multiply
    151,194.60x = 226,782.79 × 66,930.10
  4. Step 4: Simplify right side
    151,194.60x = 15,178,594,078.70
  5. Step 5: Solve for x
    x = 15,178,594,078.70/151,194.60
  6. Step 6: Final answer
    x = 100,391.11

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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.