Home / 111,129.75-166,709.27-36,223.65

Finding the Fourth Proportional to 111,129.75, 166,709.27 and 36,223.65

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Solution

The fourth proportional to 111,129.75, 166,709.27 and 36,223.65 is: 54,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,129.75 : 166,709.27 = 36,223.65 : x
  2. Step 2: Convert to fraction form
    111,129.75/166,709.27 = 36,223.65/x
  3. Step 3: Cross multiply
    111,129.75x = 166,709.27 × 36,223.65
  4. Step 4: Simplify right side
    111,129.75x = 6,038,818,338.79
  5. Step 5: Solve for x
    x = 6,038,818,338.79/111,129.75
  6. Step 6: Final answer
    x = 54,340.25

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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.