Home / 212,781.60-293,629.77-115,983.33

Finding the Fourth Proportional to 212,781.60, 293,629.77 and 115,983.33

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Solution

The fourth proportional to 212,781.60, 293,629.77 and 115,983.33 is: 160,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,781.60 : 293,629.77 = 115,983.33 : x
  2. Step 2: Convert to fraction form
    212,781.60/293,629.77 = 115,983.33/x
  3. Step 3: Cross multiply
    212,781.60x = 293,629.77 × 115,983.33
  4. Step 4: Simplify right side
    212,781.60x = 34,056,158,511.73
  5. Step 5: Solve for x
    x = 34,056,158,511.73/212,781.60
  6. Step 6: Final answer
    x = 160,052.18

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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.