Home / 110,212.20-165,318.30-57,637.80

Finding the Fourth Proportional to 110,212.20, 165,318.30 and 57,637.80

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Solution

The fourth proportional to 110,212.20, 165,318.30 and 57,637.80 is: 86,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,212.20 : 165,318.30 = 57,637.80 : x
  2. Step 2: Convert to fraction form
    110,212.20/165,318.30 = 57,637.80/x
  3. Step 3: Cross multiply
    110,212.20x = 165,318.30 × 57,637.80
  4. Step 4: Simplify right side
    110,212.20x = 9,528,583,111.74
  5. Step 5: Solve for x
    x = 9,528,583,111.74/110,212.20
  6. Step 6: Final answer
    x = 86,456.70

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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.