Home / 209,856.28-289,593.24-114,360.96

Finding the Fourth Proportional to 209,856.28, 289,593.24 and 114,360.96

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Solution

The fourth proportional to 209,856.28, 289,593.24 and 114,360.96 is: 157,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,856.28 : 289,593.24 = 114,360.96 : x
  2. Step 2: Convert to fraction form
    209,856.28/289,593.24 = 114,360.96/x
  3. Step 3: Cross multiply
    209,856.28x = 289,593.24 × 114,360.96
  4. Step 4: Simplify right side
    209,856.28x = 33,118,160,935.91
  5. Step 5: Solve for x
    x = 33,118,160,935.91/209,856.28
  6. Step 6: Final answer
    x = 157,813.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.