Home / 124,329.25-186,272.74-71,629.84

Finding the Fourth Proportional to 124,329.25, 186,272.74 and 71,629.84

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Solution

The fourth proportional to 124,329.25, 186,272.74 and 71,629.84 is: 107,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,329.25 : 186,272.74 = 71,629.84 : x
  2. Step 2: Convert to fraction form
    124,329.25/186,272.74 = 71,629.84/x
  3. Step 3: Cross multiply
    124,329.25x = 186,272.74 × 71,629.84
  4. Step 4: Simplify right side
    124,329.25x = 13,342,686,562.56
  5. Step 5: Solve for x
    x = 13,342,686,562.56/124,329.25
  6. Step 6: Final answer
    x = 107,317.36

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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.