Home / 149,216.96-205,934.28-111,425.60

Finding the Fourth Proportional to 149,216.96, 205,934.28 and 111,425.60

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Solution

The fourth proportional to 149,216.96, 205,934.28 and 111,425.60 is: 153,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,216.96 : 205,934.28 = 111,425.60 : x
  2. Step 2: Convert to fraction form
    149,216.96/205,934.28 = 111,425.60/x
  3. Step 3: Cross multiply
    149,216.96x = 205,934.28 × 111,425.60
  4. Step 4: Simplify right side
    149,216.96x = 22,946,350,709.57
  5. Step 5: Solve for x
    x = 22,946,350,709.57/149,216.96
  6. Step 6: Final answer
    x = 153,778.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.