Home / 130,405.20-195,622.20-41,643.60

Finding the Fourth Proportional to 130,405.20, 195,622.20 and 41,643.60

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Solution

The fourth proportional to 130,405.20, 195,622.20 and 41,643.60 is: 62,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,405.20 : 195,622.20 = 41,643.60 : x
  2. Step 2: Convert to fraction form
    130,405.20/195,622.20 = 41,643.60/x
  3. Step 3: Cross multiply
    130,405.20x = 195,622.20 × 41,643.60
  4. Step 4: Simplify right side
    130,405.20x = 8,146,412,647.92
  5. Step 5: Solve for x
    x = 8,146,412,647.92/130,405.20
  6. Step 6: Final answer
    x = 62,470.00

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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.