Home / 167,400.73-230,977.06-99,440.61

Finding the Fourth Proportional to 167,400.73, 230,977.06 and 99,440.61

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Solution

The fourth proportional to 167,400.73, 230,977.06 and 99,440.61 is: 137,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,400.73 : 230,977.06 = 99,440.61 : x
  2. Step 2: Convert to fraction form
    167,400.73/230,977.06 = 99,440.61/x
  3. Step 3: Cross multiply
    167,400.73x = 230,977.06 × 99,440.61
  4. Step 4: Simplify right side
    167,400.73x = 22,968,499,742.41
  5. Step 5: Solve for x
    x = 22,968,499,742.41/167,400.73
  6. Step 6: Final answer
    x = 137,206.69

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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.