Home / 167,438.55-251,012.03-100,807.95

Finding the Fourth Proportional to 167,438.55, 251,012.03 and 100,807.95

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Solution

The fourth proportional to 167,438.55, 251,012.03 and 100,807.95 is: 151,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,438.55 : 251,012.03 = 100,807.95 : x
  2. Step 2: Convert to fraction form
    167,438.55/251,012.03 = 100,807.95/x
  3. Step 3: Cross multiply
    167,438.55x = 251,012.03 × 100,807.95
  4. Step 4: Simplify right side
    167,438.55x = 25,304,007,665.60
  5. Step 5: Solve for x
    x = 25,304,007,665.60/167,438.55
  6. Step 6: Final answer
    x = 151,124.14

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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.