Home / 193,175.60-289,907.40-99,633.20

Finding the Fourth Proportional to 193,175.60, 289,907.40 and 99,633.20

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Solution

The fourth proportional to 193,175.60, 289,907.40 and 99,633.20 is: 149,524.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,175.60 : 289,907.40 = 99,633.20 : x
  2. Step 2: Convert to fraction form
    193,175.60/289,907.40 = 99,633.20/x
  3. Step 3: Cross multiply
    193,175.60x = 289,907.40 × 99,633.20
  4. Step 4: Simplify right side
    193,175.60x = 28,884,401,965.68
  5. Step 5: Solve for x
    x = 28,884,401,965.68/193,175.60
  6. Step 6: Final answer
    x = 149,524.07

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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.