Home / 137,904.06-206,868.06-38,064.30

Finding the Fourth Proportional to 137,904.06, 206,868.06 and 38,064.30

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Solution

The fourth proportional to 137,904.06, 206,868.06 and 38,064.30 is: 57,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,904.06 : 206,868.06 = 38,064.30 : x
  2. Step 2: Convert to fraction form
    137,904.06/206,868.06 = 38,064.30/x
  3. Step 3: Cross multiply
    137,904.06x = 206,868.06 × 38,064.30
  4. Step 4: Simplify right side
    137,904.06x = 7,874,287,896.26
  5. Step 5: Solve for x
    x = 7,874,287,896.26/137,904.06
  6. Step 6: Final answer
    x = 57,099.75

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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.