Home / 223,521.14-308,449.78-126,731.51

Finding the Fourth Proportional to 223,521.14, 308,449.78 and 126,731.51

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Solution

The fourth proportional to 223,521.14, 308,449.78 and 126,731.51 is: 174,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,521.14 : 308,449.78 = 126,731.51 : x
  2. Step 2: Convert to fraction form
    223,521.14/308,449.78 = 126,731.51/x
  3. Step 3: Cross multiply
    223,521.14x = 308,449.78 × 126,731.51
  4. Step 4: Simplify right side
    223,521.14x = 39,090,304,836.32
  5. Step 5: Solve for x
    x = 39,090,304,836.32/223,521.14
  6. Step 6: Final answer
    x = 174,884.16

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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.