Home / 205,637.09-283,785.39-114,996.87

Finding the Fourth Proportional to 205,637.09, 283,785.39 and 114,996.87

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Solution

The fourth proportional to 205,637.09, 283,785.39 and 114,996.87 is: 158,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,637.09 : 283,785.39 = 114,996.87 : x
  2. Step 2: Convert to fraction form
    205,637.09/283,785.39 = 114,996.87/x
  3. Step 3: Cross multiply
    205,637.09x = 283,785.39 × 114,996.87
  4. Step 4: Simplify right side
    205,637.09x = 32,634,431,601.73
  5. Step 5: Solve for x
    x = 32,634,431,601.73/205,637.09
  6. Step 6: Final answer
    x = 158,699.15

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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.