Home / 348,511.26-521,924.87-198,296.51

Finding the Fourth Proportional to 348,511.26, 521,924.87 and 198,296.51

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Solution

The fourth proportional to 348,511.26, 521,924.87 and 198,296.51 is: 296,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,511.26 : 521,924.87 = 198,296.51 : x
  2. Step 2: Convert to fraction form
    348,511.26/521,924.87 = 198,296.51/x
  3. Step 3: Cross multiply
    348,511.26x = 521,924.87 × 198,296.51
  4. Step 4: Simplify right side
    348,511.26x = 103,495,876,973.90
  5. Step 5: Solve for x
    x = 103,495,876,973.90/348,511.26
  6. Step 6: Final answer
    x = 296,965.66

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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.