Home / 193,088.20-289,632.30-130,102.60

Finding the Fourth Proportional to 193,088.20, 289,632.30 and 130,102.60

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Solution

The fourth proportional to 193,088.20, 289,632.30 and 130,102.60 is: 195,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,088.20 : 289,632.30 = 130,102.60 : x
  2. Step 2: Convert to fraction form
    193,088.20/289,632.30 = 130,102.60/x
  3. Step 3: Cross multiply
    193,088.20x = 289,632.30 × 130,102.60
  4. Step 4: Simplify right side
    193,088.20x = 37,681,915,273.98
  5. Step 5: Solve for x
    x = 37,681,915,273.98/193,088.20
  6. Step 6: Final answer
    x = 195,153.90

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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.