Home / 236,046.13-325,743.69-128,616.17

Finding the Fourth Proportional to 236,046.13, 325,743.69 and 128,616.17

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Solution

The fourth proportional to 236,046.13, 325,743.69 and 128,616.17 is: 177,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,046.13 : 325,743.69 = 128,616.17 : x
  2. Step 2: Convert to fraction form
    236,046.13/325,743.69 = 128,616.17/x
  3. Step 3: Cross multiply
    236,046.13x = 325,743.69 × 128,616.17
  4. Step 4: Simplify right side
    236,046.13x = 41,895,905,809.47
  5. Step 5: Solve for x
    x = 41,895,905,809.47/236,046.13
  6. Step 6: Final answer
    x = 177,490.33

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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.