Home / 137,640.75-206,460.73-37,801.04

Finding the Fourth Proportional to 137,640.75, 206,460.73 and 37,801.04

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Solution

The fourth proportional to 137,640.75, 206,460.73 and 37,801.04 is: 56,701.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,640.75 : 206,460.73 = 37,801.04 : x
  2. Step 2: Convert to fraction form
    137,640.75/206,460.73 = 37,801.04/x
  3. Step 3: Cross multiply
    137,640.75x = 206,460.73 × 37,801.04
  4. Step 4: Simplify right side
    137,640.75x = 7,804,429,908.78
  5. Step 5: Solve for x
    x = 7,804,429,908.78/137,640.75
  6. Step 6: Final answer
    x = 56,701.45

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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.