Home / 188,045.39-259,540.83-127,635.50

Finding the Fourth Proportional to 188,045.39, 259,540.83 and 127,635.50

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Solution

The fourth proportional to 188,045.39, 259,540.83 and 127,635.50 is: 176,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,045.39 : 259,540.83 = 127,635.50 : x
  2. Step 2: Convert to fraction form
    188,045.39/259,540.83 = 127,635.50/x
  3. Step 3: Cross multiply
    188,045.39x = 259,540.83 × 127,635.50
  4. Step 4: Simplify right side
    188,045.39x = 33,126,623,607.47
  5. Step 5: Solve for x
    x = 33,126,623,607.47/188,045.39
  6. Step 6: Final answer
    x = 176,162.91

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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.