Home / 161,896.20-242,585.10-106,427.40

Finding the Fourth Proportional to 161,896.20, 242,585.10 and 106,427.40

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Solution

The fourth proportional to 161,896.20, 242,585.10 and 106,427.40 is: 159,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,896.20 : 242,585.10 = 106,427.40 : x
  2. Step 2: Convert to fraction form
    161,896.20/242,585.10 = 106,427.40/x
  3. Step 3: Cross multiply
    161,896.20x = 242,585.10 × 106,427.40
  4. Step 4: Simplify right side
    161,896.20x = 25,817,701,471.74
  5. Step 5: Solve for x
    x = 25,817,701,471.74/161,896.20
  6. Step 6: Final answer
    x = 159,470.71

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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.