Home / 448,587.72-672,766.92-132,971.04

Finding the Fourth Proportional to 448,587.72, 672,766.92 and 132,971.04

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Solution

The fourth proportional to 448,587.72, 672,766.92 and 132,971.04 is: 199,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,587.72 : 672,766.92 = 132,971.04 : x
  2. Step 2: Convert to fraction form
    448,587.72/672,766.92 = 132,971.04/x
  3. Step 3: Cross multiply
    448,587.72x = 672,766.92 × 132,971.04
  4. Step 4: Simplify right side
    448,587.72x = 89,458,517,030.00
  5. Step 5: Solve for x
    x = 89,458,517,030.00/448,587.72
  6. Step 6: Final answer
    x = 199,422.57

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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.