Home / 110,988.03-153,163.26-60,000.78

Finding the Fourth Proportional to 110,988.03, 153,163.26 and 60,000.78

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Solution

The fourth proportional to 110,988.03, 153,163.26 and 60,000.78 is: 82,800.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,988.03 : 153,163.26 = 60,000.78 : x
  2. Step 2: Convert to fraction form
    110,988.03/153,163.26 = 60,000.78/x
  3. Step 3: Cross multiply
    110,988.03x = 153,163.26 × 60,000.78
  4. Step 4: Simplify right side
    110,988.03x = 9,189,915,067.34
  5. Step 5: Solve for x
    x = 9,189,915,067.34/110,988.03
  6. Step 6: Final answer
    x = 82,800.96

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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.