Home / 193,119.68-289,679.76-52,879.52

Finding the Fourth Proportional to 193,119.68, 289,679.76 and 52,879.52

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Solution

The fourth proportional to 193,119.68, 289,679.76 and 52,879.52 is: 79,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,119.68 : 289,679.76 = 52,879.52 : x
  2. Step 2: Convert to fraction form
    193,119.68/289,679.76 = 52,879.52/x
  3. Step 3: Cross multiply
    193,119.68x = 289,679.76 × 52,879.52
  4. Step 4: Simplify right side
    193,119.68x = 15,318,126,662.52
  5. Step 5: Solve for x
    x = 15,318,126,662.52/193,119.68
  6. Step 6: Final answer
    x = 79,319.35

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1.5x scale

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.