Home / 122,438.84-183,714.75-55,899.36

Finding the Fourth Proportional to 122,438.84, 183,714.75 and 55,899.36

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Solution

The fourth proportional to 122,438.84, 183,714.75 and 55,899.36 is: 83,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,438.84 : 183,714.75 = 55,899.36 : x
  2. Step 2: Convert to fraction form
    122,438.84/183,714.75 = 55,899.36/x
  3. Step 3: Cross multiply
    122,438.84x = 183,714.75 × 55,899.36
  4. Step 4: Simplify right side
    122,438.84x = 10,269,536,947.56
  5. Step 5: Solve for x
    x = 10,269,536,947.56/122,438.84
  6. Step 6: Final answer
    x = 83,874.83

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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.