Home / 111,188.39-166,809.15-36,308.69

Finding the Fourth Proportional to 111,188.39, 166,809.15 and 36,308.69

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Solution

The fourth proportional to 111,188.39, 166,809.15 and 36,308.69 is: 54,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,188.39 : 166,809.15 = 36,308.69 : x
  2. Step 2: Convert to fraction form
    111,188.39/166,809.15 = 36,308.69/x
  3. Step 3: Cross multiply
    111,188.39x = 166,809.15 × 36,308.69
  4. Step 4: Simplify right side
    111,188.39x = 6,056,620,882.47
  5. Step 5: Solve for x
    x = 6,056,620,882.47/111,188.39
  6. Step 6: Final answer
    x = 54,471.70

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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.