Home / 130,693.22-195,724.07-74,362.70

Finding the Fourth Proportional to 130,693.22, 195,724.07 and 74,362.70

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Solution

The fourth proportional to 130,693.22, 195,724.07 and 74,362.70 is: 111,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,693.22 : 195,724.07 = 74,362.70 : x
  2. Step 2: Convert to fraction form
    130,693.22/195,724.07 = 74,362.70/x
  3. Step 3: Cross multiply
    130,693.22x = 195,724.07 × 74,362.70
  4. Step 4: Simplify right side
    130,693.22x = 14,554,568,949.76
  5. Step 5: Solve for x
    x = 14,554,568,949.76/130,693.22
  6. Step 6: Final answer
    x = 111,364.38

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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.