Home / 236,056.47-325,761.65-128,626.44

Finding the Fourth Proportional to 236,056.47, 325,761.65 and 128,626.44

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Solution

The fourth proportional to 236,056.47, 325,761.65 and 128,626.44 is: 177,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,056.47 : 325,761.65 = 128,626.44 : x
  2. Step 2: Convert to fraction form
    236,056.47/325,761.65 = 128,626.44/x
  3. Step 3: Cross multiply
    236,056.47x = 325,761.65 × 128,626.44
  4. Step 4: Simplify right side
    236,056.47x = 41,901,561,328.03
  5. Step 5: Solve for x
    x = 41,901,561,328.03/236,056.47
  6. Step 6: Final answer
    x = 177,506.51

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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.