Home / 130,345.20-195,517.80-41,601.60

Finding the Fourth Proportional to 130,345.20, 195,517.80 and 41,601.60

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Solution

The fourth proportional to 130,345.20, 195,517.80 and 41,601.60 is: 62,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,345.20 : 195,517.80 = 41,601.60 : x
  2. Step 2: Convert to fraction form
    130,345.20/195,517.80 = 41,601.60/x
  3. Step 3: Cross multiply
    130,345.20x = 195,517.80 × 41,601.60
  4. Step 4: Simplify right side
    130,345.20x = 8,133,853,308.48
  5. Step 5: Solve for x
    x = 8,133,853,308.48/130,345.20
  6. Step 6: Final answer
    x = 62,402.40

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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.