Home / 193,028.20-289,527.90-80,679.40

Finding the Fourth Proportional to 193,028.20, 289,527.90 and 80,679.40

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Solution

The fourth proportional to 193,028.20, 289,527.90 and 80,679.40 is: 121,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,028.20 : 289,527.90 = 80,679.40 : x
  2. Step 2: Convert to fraction form
    193,028.20/289,527.90 = 80,679.40/x
  3. Step 3: Cross multiply
    193,028.20x = 289,527.90 × 80,679.40
  4. Step 4: Simplify right side
    193,028.20x = 23,358,937,255.26
  5. Step 5: Solve for x
    x = 23,358,937,255.26/193,028.20
  6. Step 6: Final answer
    x = 121,013.08

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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.