Home / 179,779.82-248,020.67-126,099.90

Finding the Fourth Proportional to 179,779.82, 248,020.67 and 126,099.90

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Solution

The fourth proportional to 179,779.82, 248,020.67 and 126,099.90 is: 173,964.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,779.82 : 248,020.67 = 126,099.90 : x
  2. Step 2: Convert to fraction form
    179,779.82/248,020.67 = 126,099.90/x
  3. Step 3: Cross multiply
    179,779.82x = 248,020.67 × 126,099.90
  4. Step 4: Simplify right side
    179,779.82x = 31,275,382,000.18
  5. Step 5: Solve for x
    x = 31,275,382,000.18/179,779.82
  6. Step 6: Final answer
    x = 173,964.92

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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.