Home / 448,691.22-672,839.79-168,011.64

Finding the Fourth Proportional to 448,691.22, 672,839.79 and 168,011.64

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Solution

The fourth proportional to 448,691.22, 672,839.79 and 168,011.64 is: 251,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,691.22 : 672,839.79 = 168,011.64 : x
  2. Step 2: Convert to fraction form
    448,691.22/672,839.79 = 168,011.64/x
  3. Step 3: Cross multiply
    448,691.22x = 672,839.79 × 168,011.64
  4. Step 4: Simplify right side
    448,691.22x = 113,044,916,575.16
  5. Step 5: Solve for x
    x = 113,044,916,575.16/448,691.22
  6. Step 6: Final answer
    x = 251,943.68

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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.