Home / 130,561.98-195,930.54-83,847.66

Finding the Fourth Proportional to 130,561.98, 195,930.54 and 83,847.66

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Solution

The fourth proportional to 130,561.98, 195,930.54 and 83,847.66 is: 125,827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,561.98 : 195,930.54 = 83,847.66 : x
  2. Step 2: Convert to fraction form
    130,561.98/195,930.54 = 83,847.66/x
  3. Step 3: Cross multiply
    130,561.98x = 195,930.54 × 83,847.66
  4. Step 4: Simplify right side
    130,561.98x = 16,428,317,301.54
  5. Step 5: Solve for x
    x = 16,428,317,301.54/130,561.98
  6. Step 6: Final answer
    x = 125,827.73

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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.