Home / 150,255.51-207,344.64-82,259.46

Finding the Fourth Proportional to 150,255.51, 207,344.64 and 82,259.46

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Solution

The fourth proportional to 150,255.51, 207,344.64 and 82,259.46 is: 113,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,255.51 : 207,344.64 = 82,259.46 : x
  2. Step 2: Convert to fraction form
    150,255.51/207,344.64 = 82,259.46/x
  3. Step 3: Cross multiply
    150,255.51x = 207,344.64 × 82,259.46
  4. Step 4: Simplify right side
    150,255.51x = 17,056,058,120.29
  5. Step 5: Solve for x
    x = 17,056,058,120.29/150,255.51
  6. Step 6: Final answer
    x = 113,513.69

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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.