Home / 147,747.38-221,621.06-36,939.38

Finding the Fourth Proportional to 147,747.38, 221,621.06 and 36,939.38

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Solution

The fourth proportional to 147,747.38, 221,621.06 and 36,939.38 is: 55,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,747.38 : 221,621.06 = 36,939.38 : x
  2. Step 2: Convert to fraction form
    147,747.38/221,621.06 = 36,939.38/x
  3. Step 3: Cross multiply
    147,747.38x = 221,621.06 × 36,939.38
  4. Step 4: Simplify right side
    147,747.38x = 8,186,543,535.59
  5. Step 5: Solve for x
    x = 8,186,543,535.59/147,747.38
  6. Step 6: Final answer
    x = 55,409.06

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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.