Home / 193,120.20-289,680.84-60,019.92

Finding the Fourth Proportional to 193,120.20, 289,680.84 and 60,019.92

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Solution

The fourth proportional to 193,120.20, 289,680.84 and 60,019.92 is: 90,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,120.20 : 289,680.84 = 60,019.92 : x
  2. Step 2: Convert to fraction form
    193,120.20/289,680.84 = 60,019.92/x
  3. Step 3: Cross multiply
    193,120.20x = 289,680.84 × 60,019.92
  4. Step 4: Simplify right side
    193,120.20x = 17,386,620,842.33
  5. Step 5: Solve for x
    x = 17,386,620,842.33/193,120.20
  6. Step 6: Final answer
    x = 90,030.05

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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.