Home / 448,438.14-672,542.60-132,821.24

Finding the Fourth Proportional to 448,438.14, 672,542.60 and 132,821.24

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Solution

The fourth proportional to 448,438.14, 672,542.60 and 132,821.24 is: 199,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,438.14 : 672,542.60 = 132,821.24 : x
  2. Step 2: Convert to fraction form
    448,438.14/672,542.60 = 132,821.24/x
  3. Step 3: Cross multiply
    448,438.14x = 672,542.60 × 132,821.24
  4. Step 4: Simplify right side
    448,438.14x = 89,327,938,058.00
  5. Step 5: Solve for x
    x = 89,327,938,058.00/448,438.14
  6. Step 6: Final answer
    x = 199,197.91

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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.