Home / 209,856.34-289,601.79-114,363.05

Finding the Fourth Proportional to 209,856.34, 289,601.79 and 114,363.05

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Solution

The fourth proportional to 209,856.34, 289,601.79 and 114,363.05 is: 157,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,856.34 : 289,601.79 = 114,363.05 : x
  2. Step 2: Convert to fraction form
    209,856.34/289,601.79 = 114,363.05/x
  3. Step 3: Cross multiply
    209,856.34x = 289,601.79 × 114,363.05
  4. Step 4: Simplify right side
    209,856.34x = 33,119,743,989.86
  5. Step 5: Solve for x
    x = 33,119,743,989.86/209,856.34
  6. Step 6: Final answer
    x = 157,821.03

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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.