Home / 132,962.31-199,517.99-70,631.19

Finding the Fourth Proportional to 132,962.31, 199,517.99 and 70,631.19

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Solution

The fourth proportional to 132,962.31, 199,517.99 and 70,631.19 is: 105,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,962.31 : 199,517.99 = 70,631.19 : x
  2. Step 2: Convert to fraction form
    132,962.31/199,517.99 = 70,631.19/x
  3. Step 3: Cross multiply
    132,962.31x = 199,517.99 × 70,631.19
  4. Step 4: Simplify right side
    132,962.31x = 14,092,192,706.95
  5. Step 5: Solve for x
    x = 14,092,192,706.95/132,962.31
  6. Step 6: Final answer
    x = 105,986.37

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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.