Home / 130,149.20-195,334.60-92,800.74

Finding the Fourth Proportional to 130,149.20, 195,334.60 and 92,800.74

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Solution

The fourth proportional to 130,149.20, 195,334.60 and 92,800.74 is: 139,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,149.20 : 195,334.60 = 92,800.74 : x
  2. Step 2: Convert to fraction form
    130,149.20/195,334.60 = 92,800.74/x
  3. Step 3: Cross multiply
    130,149.20x = 195,334.60 × 92,800.74
  4. Step 4: Simplify right side
    130,149.20x = 18,127,195,427.60
  5. Step 5: Solve for x
    x = 18,127,195,427.60/130,149.20
  6. Step 6: Final answer
    x = 139,280.11

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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.