Home / 188,579.84-260,242.04-103,697.52

Finding the Fourth Proportional to 188,579.84, 260,242.04 and 103,697.52

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Solution

The fourth proportional to 188,579.84, 260,242.04 and 103,697.52 is: 143,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,579.84 : 260,242.04 = 103,697.52 : x
  2. Step 2: Convert to fraction form
    188,579.84/260,242.04 = 103,697.52/x
  3. Step 3: Cross multiply
    188,579.84x = 260,242.04 × 103,697.52
  4. Step 4: Simplify right side
    188,579.84x = 26,986,454,147.74
  5. Step 5: Solve for x
    x = 26,986,454,147.74/188,579.84
  6. Step 6: Final answer
    x = 143,103.60

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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.