Home / 131,333.28-197,002.72-47,099.04

Finding the Fourth Proportional to 131,333.28, 197,002.72 and 47,099.04

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Solution

The fourth proportional to 131,333.28, 197,002.72 and 47,099.04 is: 70,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,333.28 : 197,002.72 = 47,099.04 : x
  2. Step 2: Convert to fraction form
    131,333.28/197,002.72 = 47,099.04/x
  3. Step 3: Cross multiply
    131,333.28x = 197,002.72 × 47,099.04
  4. Step 4: Simplify right side
    131,333.28x = 9,278,638,989.39
  5. Step 5: Solve for x
    x = 9,278,638,989.39/131,333.28
  6. Step 6: Final answer
    x = 70,649.56

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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.