Home / 221,032.26-331,646.40-115,826.22

Finding the Fourth Proportional to 221,032.26, 331,646.40 and 115,826.22

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Solution

The fourth proportional to 221,032.26, 331,646.40 and 115,826.22 is: 173,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,032.26 : 331,646.40 = 115,826.22 : x
  2. Step 2: Convert to fraction form
    221,032.26/331,646.40 = 115,826.22/x
  3. Step 3: Cross multiply
    221,032.26x = 331,646.40 × 115,826.22
  4. Step 4: Simplify right side
    221,032.26x = 38,413,348,888.61
  5. Step 5: Solve for x
    x = 38,413,348,888.61/221,032.26
  6. Step 6: Final answer
    x = 173,790.69

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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.