Home / 147,441.47-203,463.19-82,908.87

Finding the Fourth Proportional to 147,441.47, 203,463.19 and 82,908.87

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Solution

The fourth proportional to 147,441.47, 203,463.19 and 82,908.87 is: 114,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,441.47 : 203,463.19 = 82,908.87 : x
  2. Step 2: Convert to fraction form
    147,441.47/203,463.19 = 82,908.87/x
  3. Step 3: Cross multiply
    147,441.47x = 203,463.19 × 82,908.87
  4. Step 4: Simplify right side
    147,441.47x = 16,868,902,510.14
  5. Step 5: Solve for x
    x = 16,868,902,510.14/147,441.47
  6. Step 6: Final answer
    x = 114,410.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.