Home / 130,105.85-195,158.70-36,611.60

Finding the Fourth Proportional to 130,105.85, 195,158.70 and 36,611.60

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Solution

The fourth proportional to 130,105.85, 195,158.70 and 36,611.60 is: 54,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,105.85 : 195,158.70 = 36,611.60 : x
  2. Step 2: Convert to fraction form
    130,105.85/195,158.70 = 36,611.60/x
  3. Step 3: Cross multiply
    130,105.85x = 195,158.70 × 36,611.60
  4. Step 4: Simplify right side
    130,105.85x = 7,145,071,285.13
  5. Step 5: Solve for x
    x = 7,145,071,285.13/130,105.85
  6. Step 6: Final answer
    x = 54,917.37

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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.