Home / 111,188.39-166,781.54-48,053.15

Finding the Fourth Proportional to 111,188.39, 166,781.54 and 48,053.15

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Solution

The fourth proportional to 111,188.39, 166,781.54 and 48,053.15 is: 72,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,188.39 : 166,781.54 = 48,053.15 : x
  2. Step 2: Convert to fraction form
    111,188.39/166,781.54 = 48,053.15/x
  3. Step 3: Cross multiply
    111,188.39x = 166,781.54 × 48,053.15
  4. Step 4: Simplify right side
    111,188.39x = 8,014,378,358.85
  5. Step 5: Solve for x
    x = 8,014,378,358.85/111,188.39
  6. Step 6: Final answer
    x = 72,079.27

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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.