Home / 165,625.80-248,452.20-70,856.70

Finding the Fourth Proportional to 165,625.80, 248,452.20 and 70,856.70

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Solution

The fourth proportional to 165,625.80, 248,452.20 and 70,856.70 is: 106,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,625.80 : 248,452.20 = 70,856.70 : x
  2. Step 2: Convert to fraction form
    165,625.80/248,452.20 = 70,856.70/x
  3. Step 3: Cross multiply
    165,625.80x = 248,452.20 × 70,856.70
  4. Step 4: Simplify right side
    165,625.80x = 17,604,502,999.74
  5. Step 5: Solve for x
    x = 17,604,502,999.74/165,625.80
  6. Step 6: Final answer
    x = 106,290.83

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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.