Home / 151,120.78-226,672.97-45,931.55

Finding the Fourth Proportional to 151,120.78, 226,672.97 and 45,931.55

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Solution

The fourth proportional to 151,120.78, 226,672.97 and 45,931.55 is: 68,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,120.78 : 226,672.97 = 45,931.55 : x
  2. Step 2: Convert to fraction form
    151,120.78/226,672.97 = 45,931.55/x
  3. Step 3: Cross multiply
    151,120.78x = 226,672.97 × 45,931.55
  4. Step 4: Simplify right side
    151,120.78x = 10,411,440,855.20
  5. Step 5: Solve for x
    x = 10,411,440,855.20/151,120.78
  6. Step 6: Final answer
    x = 68,894.83

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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.