Home / 205,760.62-283,960.69-115,111.18

Finding the Fourth Proportional to 205,760.62, 283,960.69 and 115,111.18

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Solution

The fourth proportional to 205,760.62, 283,960.69 and 115,111.18 is: 158,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,760.62 : 283,960.69 = 115,111.18 : x
  2. Step 2: Convert to fraction form
    205,760.62/283,960.69 = 115,111.18/x
  3. Step 3: Cross multiply
    205,760.62x = 283,960.69 × 115,111.18
  4. Step 4: Simplify right side
    205,760.62x = 32,687,050,099.51
  5. Step 5: Solve for x
    x = 32,687,050,099.51/205,760.62
  6. Step 6: Final answer
    x = 158,859.60

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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.