Home / 193,189.05-289,785.60-52,947.68

Finding the Fourth Proportional to 193,189.05, 289,785.60 and 52,947.68

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Solution

The fourth proportional to 193,189.05, 289,785.60 and 52,947.68 is: 79,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,189.05 : 289,785.60 = 52,947.68 : x
  2. Step 2: Convert to fraction form
    193,189.05/289,785.60 = 52,947.68/x
  3. Step 3: Cross multiply
    193,189.05x = 289,785.60 × 52,947.68
  4. Step 4: Simplify right side
    193,189.05x = 15,343,473,768.48
  5. Step 5: Solve for x
    x = 15,343,473,768.48/193,189.05
  6. Step 6: Final answer
    x = 79,422.07

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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.