Home / 130,025.16-195,040.92-40,069.80

Finding the Fourth Proportional to 130,025.16, 195,040.92 and 40,069.80

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Solution

The fourth proportional to 130,025.16, 195,040.92 and 40,069.80 is: 60,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,025.16 : 195,040.92 = 40,069.80 : x
  2. Step 2: Convert to fraction form
    130,025.16/195,040.92 = 40,069.80/x
  3. Step 3: Cross multiply
    130,025.16x = 195,040.92 × 40,069.80
  4. Step 4: Simplify right side
    130,025.16x = 7,815,250,656.22
  5. Step 5: Solve for x
    x = 7,815,250,656.22/130,025.16
  6. Step 6: Final answer
    x = 60,105.68

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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.