Home / 107,474.80-148,334.08-62,145.60

Finding the Fourth Proportional to 107,474.80, 148,334.08 and 62,145.60

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Solution

The fourth proportional to 107,474.80, 148,334.08 and 62,145.60 is: 85,771.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,474.80 : 148,334.08 = 62,145.60 : x
  2. Step 2: Convert to fraction form
    107,474.80/148,334.08 = 62,145.60/x
  3. Step 3: Cross multiply
    107,474.80x = 148,334.08 × 62,145.60
  4. Step 4: Simplify right side
    107,474.80x = 9,218,310,402.05
  5. Step 5: Solve for x
    x = 9,218,310,402.05/107,474.80
  6. Step 6: Final answer
    x = 85,771.83

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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.