Home / 193,153.29-289,356.30-108,656.70

Finding the Fourth Proportional to 193,153.29, 289,356.30 and 108,656.70

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Solution

The fourth proportional to 193,153.29, 289,356.30 and 108,656.70 is: 162,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,153.29 : 289,356.30 = 108,656.70 : x
  2. Step 2: Convert to fraction form
    193,153.29/289,356.30 = 108,656.70/x
  3. Step 3: Cross multiply
    193,153.29x = 289,356.30 × 108,656.70
  4. Step 4: Simplify right side
    193,153.29x = 31,440,500,682.21
  5. Step 5: Solve for x
    x = 31,440,500,682.21/193,153.29
  6. Step 6: Final answer
    x = 162,774.86

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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.