Home / 110,306.83-165,405.59-39,218.81

Finding the Fourth Proportional to 110,306.83, 165,405.59 and 39,218.81

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Solution

The fourth proportional to 110,306.83, 165,405.59 and 39,218.81 is: 58,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,306.83 : 165,405.59 = 39,218.81 : x
  2. Step 2: Convert to fraction form
    110,306.83/165,405.59 = 39,218.81/x
  3. Step 3: Cross multiply
    110,306.83x = 165,405.59 × 39,218.81
  4. Step 4: Simplify right side
    110,306.83x = 6,487,010,722.61
  5. Step 5: Solve for x
    x = 6,487,010,722.61/110,306.83
  6. Step 6: Final answer
    x = 58,808.79

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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.