Home / 129,467.52-194,220.41-66,323.36

Finding the Fourth Proportional to 129,467.52, 194,220.41 and 66,323.36

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Solution

The fourth proportional to 129,467.52, 194,220.41 and 66,323.36 is: 99,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,467.52 : 194,220.41 = 66,323.36 : x
  2. Step 2: Convert to fraction form
    129,467.52/194,220.41 = 66,323.36/x
  3. Step 3: Cross multiply
    129,467.52x = 194,220.41 × 66,323.36
  4. Step 4: Simplify right side
    129,467.52x = 12,881,348,869.06
  5. Step 5: Solve for x
    x = 12,881,348,869.06/129,467.52
  6. Step 6: Final answer
    x = 99,494.83

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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.