Home / 448,079.13-672,118.70-132,511.46

Finding the Fourth Proportional to 448,079.13, 672,118.70 and 132,511.46

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Solution

The fourth proportional to 448,079.13, 672,118.70 and 132,511.46 is: 198,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,079.13 : 672,118.70 = 132,511.46 : x
  2. Step 2: Convert to fraction form
    448,079.13/672,118.70 = 132,511.46/x
  3. Step 3: Cross multiply
    448,079.13x = 672,118.70 × 132,511.46
  4. Step 4: Simplify right side
    448,079.13x = 89,063,426,207.15
  5. Step 5: Solve for x
    x = 89,063,426,207.15/448,079.13
  6. Step 6: Final answer
    x = 198,767.18

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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.