Home / 130,584.42-195,890.74-55,712.48

Finding the Fourth Proportional to 130,584.42, 195,890.74 and 55,712.48

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Solution

The fourth proportional to 130,584.42, 195,890.74 and 55,712.48 is: 83,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,584.42 : 195,890.74 = 55,712.48 : x
  2. Step 2: Convert to fraction form
    130,584.42/195,890.74 = 55,712.48/x
  3. Step 3: Cross multiply
    130,584.42x = 195,890.74 × 55,712.48
  4. Step 4: Simplify right side
    130,584.42x = 10,913,557,815.70
  5. Step 5: Solve for x
    x = 10,913,557,815.70/130,584.42
  6. Step 6: Final answer
    x = 83,574.73

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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.