Home / 137,907.05-206,856.44-38,073.33

Finding the Fourth Proportional to 137,907.05, 206,856.44 and 38,073.33

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Solution

The fourth proportional to 137,907.05, 206,856.44 and 38,073.33 is: 57,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,907.05 : 206,856.44 = 38,073.33 : x
  2. Step 2: Convert to fraction form
    137,907.05/206,856.44 = 38,073.33/x
  3. Step 3: Cross multiply
    137,907.05x = 206,856.44 × 38,073.33
  4. Step 4: Simplify right side
    137,907.05x = 7,875,713,312.38
  5. Step 5: Solve for x
    x = 7,875,713,312.38/137,907.05
  6. Step 6: Final answer
    x = 57,108.85

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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.