Home / 107,941.24-148,969.62-80,669.96

Finding the Fourth Proportional to 107,941.24, 148,969.62 and 80,669.96

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Solution

The fourth proportional to 107,941.24, 148,969.62 and 80,669.96 is: 111,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,941.24 : 148,969.62 = 80,669.96 : x
  2. Step 2: Convert to fraction form
    107,941.24/148,969.62 = 80,669.96/x
  3. Step 3: Cross multiply
    107,941.24x = 148,969.62 × 80,669.96
  4. Step 4: Simplify right side
    107,941.24x = 12,017,373,286.62
  5. Step 5: Solve for x
    x = 12,017,373,286.62/107,941.24
  6. Step 6: Final answer
    x = 111,332.55

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1.5x scale

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.