Home / 137,122.27-205,709.12-62,247.69

Finding the Fourth Proportional to 137,122.27, 205,709.12 and 62,247.69

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Solution

The fourth proportional to 137,122.27, 205,709.12 and 62,247.69 is: 93,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,122.27 : 205,709.12 = 62,247.69 : x
  2. Step 2: Convert to fraction form
    137,122.27/205,709.12 = 62,247.69/x
  3. Step 3: Cross multiply
    137,122.27x = 205,709.12 × 62,247.69
  4. Step 4: Simplify right side
    137,122.27x = 12,804,917,454.12
  5. Step 5: Solve for x
    x = 12,804,917,454.12/137,122.27
  6. Step 6: Final answer
    x = 93,383.21

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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.