Home / 258,214.90-356,236.77-190,392.39

Finding the Fourth Proportional to 258,214.90, 356,236.77 and 190,392.39

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Solution

The fourth proportional to 258,214.90, 356,236.77 and 190,392.39 is: 262,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,214.90 : 356,236.77 = 190,392.39 : x
  2. Step 2: Convert to fraction form
    258,214.90/356,236.77 = 190,392.39/x
  3. Step 3: Cross multiply
    258,214.90x = 356,236.77 × 190,392.39
  4. Step 4: Simplify right side
    258,214.90x = 67,824,770,046.18
  5. Step 5: Solve for x
    x = 67,824,770,046.18/258,214.90
  6. Step 6: Final answer
    x = 262,667.92

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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.