Home / 193,844.66-290,780.88-51,689.20

Finding the Fourth Proportional to 193,844.66, 290,780.88 and 51,689.20

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Solution

The fourth proportional to 193,844.66, 290,780.88 and 51,689.20 is: 77,537.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,844.66 : 290,780.88 = 51,689.20 : x
  2. Step 2: Convert to fraction form
    193,844.66/290,780.88 = 51,689.20/x
  3. Step 3: Cross multiply
    193,844.66x = 290,780.88 × 51,689.20
  4. Step 4: Simplify right side
    193,844.66x = 15,030,231,062.50
  5. Step 5: Solve for x
    x = 15,030,231,062.50/193,844.66
  6. Step 6: Final answer
    x = 77,537.50

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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.