Home / 193,154.15-289,814.48-104,470.09

Finding the Fourth Proportional to 193,154.15, 289,814.48 and 104,470.09

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Solution

The fourth proportional to 193,154.15, 289,814.48 and 104,470.09 is: 156,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,154.15 : 289,814.48 = 104,470.09 : x
  2. Step 2: Convert to fraction form
    193,154.15/289,814.48 = 104,470.09/x
  3. Step 3: Cross multiply
    193,154.15x = 289,814.48 × 104,470.09
  4. Step 4: Simplify right side
    193,154.15x = 30,276,942,837.48
  5. Step 5: Solve for x
    x = 30,276,942,837.48/193,154.15
  6. Step 6: Final answer
    x = 156,750.15

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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.