Home / 151,747.70-209,426.04-113,440.86

Finding the Fourth Proportional to 151,747.70, 209,426.04 and 113,440.86

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Solution

The fourth proportional to 151,747.70, 209,426.04 and 113,440.86 is: 156,559.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,747.70 : 209,426.04 = 113,440.86 : x
  2. Step 2: Convert to fraction form
    151,747.70/209,426.04 = 113,440.86/x
  3. Step 3: Cross multiply
    151,747.70x = 209,426.04 × 113,440.86
  4. Step 4: Simplify right side
    151,747.70x = 23,757,470,083.99
  5. Step 5: Solve for x
    x = 23,757,470,083.99/151,747.70
  6. Step 6: Final answer
    x = 156,559.02

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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.