Home / 111,625.20-154,039.56-60,635.70

Finding the Fourth Proportional to 111,625.20, 154,039.56 and 60,635.70

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Solution

The fourth proportional to 111,625.20, 154,039.56 and 60,635.70 is: 83,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,625.20 : 154,039.56 = 60,635.70 : x
  2. Step 2: Convert to fraction form
    111,625.20/154,039.56 = 60,635.70/x
  3. Step 3: Cross multiply
    111,625.20x = 154,039.56 × 60,635.70
  4. Step 4: Simplify right side
    111,625.20x = 9,340,296,548.29
  5. Step 5: Solve for x
    x = 9,340,296,548.29/111,625.20
  6. Step 6: Final answer
    x = 83,675.52

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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.