Home / 147,474.98-203,532.78-83,822.36

Finding the Fourth Proportional to 147,474.98, 203,532.78 and 83,822.36

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Solution

The fourth proportional to 147,474.98, 203,532.78 and 83,822.36 is: 115,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,474.98 : 203,532.78 = 83,822.36 : x
  2. Step 2: Convert to fraction form
    147,474.98/203,532.78 = 83,822.36/x
  3. Step 3: Cross multiply
    147,474.98x = 203,532.78 × 83,822.36
  4. Step 4: Simplify right side
    147,474.98x = 17,060,597,956.96
  5. Step 5: Solve for x
    x = 17,060,597,956.96/147,474.98
  6. Step 6: Final answer
    x = 115,684.69

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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.