Home / 130,015.20-195,099.60-94,866.40

Finding the Fourth Proportional to 130,015.20, 195,099.60 and 94,866.40

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Solution

The fourth proportional to 130,015.20, 195,099.60 and 94,866.40 is: 142,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,015.20 : 195,099.60 = 94,866.40 : x
  2. Step 2: Convert to fraction form
    130,015.20/195,099.60 = 94,866.40/x
  3. Step 3: Cross multiply
    130,015.20x = 195,099.60 × 94,866.40
  4. Step 4: Simplify right side
    130,015.20x = 18,508,396,693.44
  5. Step 5: Solve for x
    x = 18,508,396,693.44/130,015.20
  6. Step 6: Final answer
    x = 142,355.64

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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.