Home / 225,625.22-338,570.87-83,570.28

Finding the Fourth Proportional to 225,625.22, 338,570.87 and 83,570.28

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Solution

The fourth proportional to 225,625.22, 338,570.87 and 83,570.28 is: 125,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,625.22 : 338,570.87 = 83,570.28 : x
  2. Step 2: Convert to fraction form
    225,625.22/338,570.87 = 83,570.28/x
  3. Step 3: Cross multiply
    225,625.22x = 338,570.87 × 83,570.28
  4. Step 4: Simplify right side
    225,625.22x = 28,294,461,987.89
  5. Step 5: Solve for x
    x = 28,294,461,987.89/225,625.22
  6. Step 6: Final answer
    x = 125,404.70

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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.