Home / 136,910.86-205,030.95-113,072.56

Finding the Fourth Proportional to 136,910.86, 205,030.95 and 113,072.56

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Solution

The fourth proportional to 136,910.86, 205,030.95 and 113,072.56 is: 169,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,910.86 : 205,030.95 = 113,072.56 : x
  2. Step 2: Convert to fraction form
    136,910.86/205,030.95 = 113,072.56/x
  3. Step 3: Cross multiply
    136,910.86x = 205,030.95 × 113,072.56
  4. Step 4: Simplify right side
    136,910.86x = 23,183,373,459.13
  5. Step 5: Solve for x
    x = 23,183,373,459.13/136,910.86
  6. Step 6: Final answer
    x = 169,331.88

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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.