Home / 112,272.48-154,955.25-107,227.80

Finding the Fourth Proportional to 112,272.48, 154,955.25 and 107,227.80

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Solution

The fourth proportional to 112,272.48, 154,955.25 and 107,227.80 is: 147,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,272.48 : 154,955.25 = 107,227.80 : x
  2. Step 2: Convert to fraction form
    112,272.48/154,955.25 = 107,227.80/x
  3. Step 3: Cross multiply
    112,272.48x = 154,955.25 × 107,227.80
  4. Step 4: Simplify right side
    112,272.48x = 16,615,510,555.95
  5. Step 5: Solve for x
    x = 16,615,510,555.95/112,272.48
  6. Step 6: Final answer
    x = 147,992.73

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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.