Home / 193,047.20-289,391.52-74,795.84

Finding the Fourth Proportional to 193,047.20, 289,391.52 and 74,795.84

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Solution

The fourth proportional to 193,047.20, 289,391.52 and 74,795.84 is: 112,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,047.20 : 289,391.52 = 74,795.84 : x
  2. Step 2: Convert to fraction form
    193,047.20/289,391.52 = 74,795.84/x
  3. Step 3: Cross multiply
    193,047.20x = 289,391.52 × 74,795.84
  4. Step 4: Simplify right side
    193,047.20x = 21,645,281,827.28
  5. Step 5: Solve for x
    x = 21,645,281,827.28/193,047.20
  6. Step 6: Final answer
    x = 112,124.30

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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.