Home / 131,506.67-197,289.16-38,005.31

Finding the Fourth Proportional to 131,506.67, 197,289.16 and 38,005.31

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Solution

The fourth proportional to 131,506.67, 197,289.16 and 38,005.31 is: 57,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,506.67 : 197,289.16 = 38,005.31 : x
  2. Step 2: Convert to fraction form
    131,506.67/197,289.16 = 38,005.31/x
  3. Step 3: Cross multiply
    131,506.67x = 197,289.16 × 38,005.31
  4. Step 4: Simplify right side
    131,506.67x = 7,498,034,603.98
  5. Step 5: Solve for x
    x = 7,498,034,603.98/131,506.67
  6. Step 6: Final answer
    x = 57,016.38

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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.