Home / 111,218.52-166,853.70-36,342.12

Finding the Fourth Proportional to 111,218.52, 166,853.70 and 36,342.12

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Solution

The fourth proportional to 111,218.52, 166,853.70 and 36,342.12 is: 54,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,218.52 : 166,853.70 = 36,342.12 : x
  2. Step 2: Convert to fraction form
    111,218.52/166,853.70 = 36,342.12/x
  3. Step 3: Cross multiply
    111,218.52x = 166,853.70 × 36,342.12
  4. Step 4: Simplify right side
    111,218.52x = 6,063,817,187.84
  5. Step 5: Solve for x
    x = 6,063,817,187.84/111,218.52
  6. Step 6: Final answer
    x = 54,521.65

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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.