Home / 448,566.11-672,979.03-133,030.61

Finding the Fourth Proportional to 448,566.11, 672,979.03 and 133,030.61

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Solution

The fourth proportional to 448,566.11, 672,979.03 and 133,030.61 is: 199,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,566.11 : 672,979.03 = 133,030.61 : x
  2. Step 2: Convert to fraction form
    448,566.11/672,979.03 = 133,030.61/x
  3. Step 3: Cross multiply
    448,566.11x = 672,979.03 × 133,030.61
  4. Step 4: Simplify right side
    448,566.11x = 89,526,810,878.11
  5. Step 5: Solve for x
    x = 89,526,810,878.11/448,566.11
  6. Step 6: Final answer
    x = 199,584.43

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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.