Home / 130,659.40-195,990.18-41,913.64

Finding the Fourth Proportional to 130,659.40, 195,990.18 and 41,913.64

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Solution

The fourth proportional to 130,659.40, 195,990.18 and 41,913.64 is: 62,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,659.40 : 195,990.18 = 41,913.64 : x
  2. Step 2: Convert to fraction form
    130,659.40/195,990.18 = 41,913.64/x
  3. Step 3: Cross multiply
    130,659.40x = 195,990.18 × 41,913.64
  4. Step 4: Simplify right side
    130,659.40x = 8,214,661,848.06
  5. Step 5: Solve for x
    x = 8,214,661,848.06/130,659.40
  6. Step 6: Final answer
    x = 62,870.81

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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.