Home / 165,934.40-248,901.73-71,103.08

Finding the Fourth Proportional to 165,934.40, 248,901.73 and 71,103.08

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Solution

The fourth proportional to 165,934.40, 248,901.73 and 71,103.08 is: 106,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,934.40 : 248,901.73 = 71,103.08 : x
  2. Step 2: Convert to fraction form
    165,934.40/248,901.73 = 71,103.08/x
  3. Step 3: Cross multiply
    165,934.40x = 248,901.73 × 71,103.08
  4. Step 4: Simplify right side
    165,934.40x = 17,697,680,064.83
  5. Step 5: Solve for x
    x = 17,697,680,064.83/165,934.40
  6. Step 6: Final answer
    x = 106,654.68

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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.