Home / 110,638.80-152,695.26-67,609.44

Finding the Fourth Proportional to 110,638.80, 152,695.26 and 67,609.44

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Solution

The fourth proportional to 110,638.80, 152,695.26 and 67,609.44 is: 93,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,638.80 : 152,695.26 = 67,609.44 : x
  2. Step 2: Convert to fraction form
    110,638.80/152,695.26 = 67,609.44/x
  3. Step 3: Cross multiply
    110,638.80x = 152,695.26 × 67,609.44
  4. Step 4: Simplify right side
    110,638.80x = 10,323,641,019.25
  5. Step 5: Solve for x
    x = 10,323,641,019.25/110,638.80
  6. Step 6: Final answer
    x = 93,309.41

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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.