Home / 236,113.88-325,841.18-128,689.82

Finding the Fourth Proportional to 236,113.88, 325,841.18 and 128,689.82

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Solution

The fourth proportional to 236,113.88, 325,841.18 and 128,689.82 is: 177,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,113.88 : 325,841.18 = 128,689.82 : x
  2. Step 2: Convert to fraction form
    236,113.88/325,841.18 = 128,689.82/x
  3. Step 3: Cross multiply
    236,113.88x = 325,841.18 × 128,689.82
  4. Step 4: Simplify right side
    236,113.88x = 41,932,442,802.79
  5. Step 5: Solve for x
    x = 41,932,442,802.79/236,113.88
  6. Step 6: Final answer
    x = 177,594.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.