Home / 111,115.15-166,687.33-36,209.03

Finding the Fourth Proportional to 111,115.15, 166,687.33 and 36,209.03

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Solution

The fourth proportional to 111,115.15, 166,687.33 and 36,209.03 is: 54,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,115.15 : 166,687.33 = 36,209.03 : x
  2. Step 2: Convert to fraction form
    111,115.15/166,687.33 = 36,209.03/x
  3. Step 3: Cross multiply
    111,115.15x = 166,687.33 × 36,209.03
  4. Step 4: Simplify right side
    111,115.15x = 6,035,586,782.26
  5. Step 5: Solve for x
    x = 6,035,586,782.26/111,115.15
  6. Step 6: Final answer
    x = 54,318.31

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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.