Home / 124,198.20-186,420.90-57,653.40

Finding the Fourth Proportional to 124,198.20, 186,420.90 and 57,653.40

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Solution

The fourth proportional to 124,198.20, 186,420.90 and 57,653.40 is: 86,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,198.20 : 186,420.90 = 57,653.40 : x
  2. Step 2: Convert to fraction form
    124,198.20/186,420.90 = 57,653.40/x
  3. Step 3: Cross multiply
    124,198.20x = 186,420.90 × 57,653.40
  4. Step 4: Simplify right side
    124,198.20x = 10,747,798,716.06
  5. Step 5: Solve for x
    x = 10,747,798,716.06/124,198.20
  6. Step 6: Final answer
    x = 86,537.48

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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.