Home / 165,990.12-248,947.26-47,660.52

Finding the Fourth Proportional to 165,990.12, 248,947.26 and 47,660.52

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Solution

The fourth proportional to 165,990.12, 248,947.26 and 47,660.52 is: 71,479.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,990.12 : 248,947.26 = 47,660.52 : x
  2. Step 2: Convert to fraction form
    165,990.12/248,947.26 = 47,660.52/x
  3. Step 3: Cross multiply
    165,990.12x = 248,947.26 × 47,660.52
  4. Step 4: Simplify right side
    165,990.12x = 11,864,955,864.18
  5. Step 5: Solve for x
    x = 11,864,955,864.18/165,990.12
  6. Step 6: Final answer
    x = 71,479.89

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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.