Home / 131,551.16-197,338.28-36,782.37

Finding the Fourth Proportional to 131,551.16, 197,338.28 and 36,782.37

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Solution

The fourth proportional to 131,551.16, 197,338.28 and 36,782.37 is: 55,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,551.16 : 197,338.28 = 36,782.37 : x
  2. Step 2: Convert to fraction form
    131,551.16/197,338.28 = 36,782.37/x
  3. Step 3: Cross multiply
    131,551.16x = 197,338.28 × 36,782.37
  4. Step 4: Simplify right side
    131,551.16x = 7,258,569,446.21
  5. Step 5: Solve for x
    x = 7,258,569,446.21/131,551.16
  6. Step 6: Final answer
    x = 55,176.78

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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.