Home / 209,580.20-289,222.02-114,086.87

Finding the Fourth Proportional to 209,580.20, 289,222.02 and 114,086.87

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Solution

The fourth proportional to 209,580.20, 289,222.02 and 114,086.87 is: 157,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,580.20 : 289,222.02 = 114,086.87 : x
  2. Step 2: Convert to fraction form
    209,580.20/289,222.02 = 114,086.87/x
  3. Step 3: Cross multiply
    209,580.20x = 289,222.02 × 114,086.87
  4. Step 4: Simplify right side
    209,580.20x = 32,996,433,550.77
  5. Step 5: Solve for x
    x = 32,996,433,550.77/209,580.20
  6. Step 6: Final answer
    x = 157,440.61

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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.