Home / 111,095.97-166,533.18-71,680.77

Finding the Fourth Proportional to 111,095.97, 166,533.18 and 71,680.77

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Solution

The fourth proportional to 111,095.97, 166,533.18 and 71,680.77 is: 107,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,095.97 : 166,533.18 = 71,680.77 : x
  2. Step 2: Convert to fraction form
    111,095.97/166,533.18 = 71,680.77/x
  3. Step 3: Cross multiply
    111,095.97x = 166,533.18 × 71,680.77
  4. Step 4: Simplify right side
    111,095.97x = 11,937,226,572.95
  5. Step 5: Solve for x
    x = 11,937,226,572.95/111,095.97
  6. Step 6: Final answer
    x = 107,449.68

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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.