Home / 205,066.32-283,043.08-115,694.16

Finding the Fourth Proportional to 205,066.32, 283,043.08 and 115,694.16

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Solution

The fourth proportional to 205,066.32, 283,043.08 and 115,694.16 is: 159,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,066.32 : 283,043.08 = 115,694.16 : x
  2. Step 2: Convert to fraction form
    205,066.32/283,043.08 = 115,694.16/x
  3. Step 3: Cross multiply
    205,066.32x = 283,043.08 × 115,694.16
  4. Step 4: Simplify right side
    205,066.32x = 32,746,431,384.41
  5. Step 5: Solve for x
    x = 32,746,431,384.41/205,066.32
  6. Step 6: Final answer
    x = 159,687.03

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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.