Home / 193,248.10-289,922.55-74,923.30

Finding the Fourth Proportional to 193,248.10, 289,922.55 and 74,923.30

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Solution

The fourth proportional to 193,248.10, 289,922.55 and 74,923.30 is: 112,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,248.10 : 289,922.55 = 74,923.30 : x
  2. Step 2: Convert to fraction form
    193,248.10/289,922.55 = 74,923.30/x
  3. Step 3: Cross multiply
    193,248.10x = 289,922.55 × 74,923.30
  4. Step 4: Simplify right side
    193,248.10x = 21,721,954,190.42
  5. Step 5: Solve for x
    x = 21,721,954,190.42/193,248.10
  6. Step 6: Final answer
    x = 112,404.49

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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.