Home / 130,582.33-195,928.90-71,348.79

Finding the Fourth Proportional to 130,582.33, 195,928.90 and 71,348.79

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Solution

The fourth proportional to 130,582.33, 195,928.90 and 71,348.79 is: 107,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,582.33 : 195,928.90 = 71,348.79 : x
  2. Step 2: Convert to fraction form
    130,582.33/195,928.90 = 71,348.79/x
  3. Step 3: Cross multiply
    130,582.33x = 195,928.90 × 71,348.79
  4. Step 4: Simplify right side
    130,582.33x = 13,979,290,497.39
  5. Step 5: Solve for x
    x = 13,979,290,497.39/130,582.33
  6. Step 6: Final answer
    x = 107,053.46

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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.