Home / 448,435.72-672,655.98-132,895.36

Finding the Fourth Proportional to 448,435.72, 672,655.98 and 132,895.36

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Solution

The fourth proportional to 448,435.72, 672,655.98 and 132,895.36 is: 199,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,435.72 : 672,655.98 = 132,895.36 : x
  2. Step 2: Convert to fraction form
    448,435.72/672,655.98 = 132,895.36/x
  3. Step 3: Cross multiply
    448,435.72x = 672,655.98 × 132,895.36
  4. Step 4: Simplify right side
    448,435.72x = 89,392,858,618.25
  5. Step 5: Solve for x
    x = 89,392,858,618.25/448,435.72
  6. Step 6: Final answer
    x = 199,343.75

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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.