Home / 236,126.31-325,854.56-128,696.43

Finding the Fourth Proportional to 236,126.31, 325,854.56 and 128,696.43

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Solution

The fourth proportional to 236,126.31, 325,854.56 and 128,696.43 is: 177,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,126.31 : 325,854.56 = 128,696.43 : x
  2. Step 2: Convert to fraction form
    236,126.31/325,854.56 = 128,696.43/x
  3. Step 3: Cross multiply
    236,126.31x = 325,854.56 × 128,696.43
  4. Step 4: Simplify right side
    236,126.31x = 41,936,317,927.74
  5. Step 5: Solve for x
    x = 41,936,317,927.74/236,126.31
  6. Step 6: Final answer
    x = 177,601.21

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1.5x scale

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.