Home / 448,236.45-672,453.09-132,717.96

Finding the Fourth Proportional to 448,236.45, 672,453.09 and 132,717.96

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Solution

The fourth proportional to 448,236.45, 672,453.09 and 132,717.96 is: 199,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,236.45 : 672,453.09 = 132,717.96 : x
  2. Step 2: Convert to fraction form
    448,236.45/672,453.09 = 132,717.96/x
  3. Step 3: Cross multiply
    448,236.45x = 672,453.09 × 132,717.96
  4. Step 4: Simplify right side
    448,236.45x = 89,246,602,300.50
  5. Step 5: Solve for x
    x = 89,246,602,300.50/448,236.45
  6. Step 6: Final answer
    x = 199,106.08

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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.