Home / 193,574.21-290,248.31-75,107.16

Finding the Fourth Proportional to 193,574.21, 290,248.31 and 75,107.16

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Solution

The fourth proportional to 193,574.21, 290,248.31 and 75,107.16 is: 112,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,574.21 : 290,248.31 = 75,107.16 : x
  2. Step 2: Convert to fraction form
    193,574.21/290,248.31 = 75,107.16/x
  3. Step 3: Cross multiply
    193,574.21x = 290,248.31 × 75,107.16
  4. Step 4: Simplify right side
    193,574.21x = 21,799,725,883.36
  5. Step 5: Solve for x
    x = 21,799,725,883.36/193,574.21
  6. Step 6: Final answer
    x = 112,616.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.