Home / 167,038.19-250,438.24-78,243.25

Finding the Fourth Proportional to 167,038.19, 250,438.24 and 78,243.25

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Solution

The fourth proportional to 167,038.19, 250,438.24 and 78,243.25 is: 117,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,038.19 : 250,438.24 = 78,243.25 : x
  2. Step 2: Convert to fraction form
    167,038.19/250,438.24 = 78,243.25/x
  3. Step 3: Cross multiply
    167,038.19x = 250,438.24 × 78,243.25
  4. Step 4: Simplify right side
    167,038.19x = 19,595,101,821.88
  5. Step 5: Solve for x
    x = 19,595,101,821.88/167,038.19
  6. Step 6: Final answer
    x = 117,309.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.