Home / 110,209.22-152,031.57-76,249.70

Finding the Fourth Proportional to 110,209.22, 152,031.57 and 76,249.70

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Solution

The fourth proportional to 110,209.22, 152,031.57 and 76,249.70 is: 105,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,209.22 : 152,031.57 = 76,249.70 : x
  2. Step 2: Convert to fraction form
    110,209.22/152,031.57 = 76,249.70/x
  3. Step 3: Cross multiply
    110,209.22x = 152,031.57 × 76,249.70
  4. Step 4: Simplify right side
    110,209.22x = 11,592,361,603.03
  5. Step 5: Solve for x
    x = 11,592,361,603.03/110,209.22
  6. Step 6: Final answer
    x = 105,185.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.