Home / 131,840.22-197,771.37-38,345.82

Finding the Fourth Proportional to 131,840.22, 197,771.37 and 38,345.82

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Solution

The fourth proportional to 131,840.22, 197,771.37 and 38,345.82 is: 57,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,840.22 : 197,771.37 = 38,345.82 : x
  2. Step 2: Convert to fraction form
    131,840.22/197,771.37 = 38,345.82/x
  3. Step 3: Cross multiply
    131,840.22x = 197,771.37 × 38,345.82
  4. Step 4: Simplify right side
    131,840.22x = 7,583,705,355.17
  5. Step 5: Solve for x
    x = 7,583,705,355.17/131,840.22
  6. Step 6: Final answer
    x = 57,521.94

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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.