Home / 131,581.33-197,384.49-36,811.53

Finding the Fourth Proportional to 131,581.33, 197,384.49 and 36,811.53

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Solution

The fourth proportional to 131,581.33, 197,384.49 and 36,811.53 is: 55,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,581.33 : 197,384.49 = 36,811.53 : x
  2. Step 2: Convert to fraction form
    131,581.33/197,384.49 = 36,811.53/x
  3. Step 3: Cross multiply
    131,581.33x = 197,384.49 × 36,811.53
  4. Step 4: Simplify right side
    131,581.33x = 7,266,025,075.17
  5. Step 5: Solve for x
    x = 7,266,025,075.17/131,581.33
  6. Step 6: Final answer
    x = 55,220.79

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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.