Home / 137,156.55-205,734.83-113,828.55

Finding the Fourth Proportional to 137,156.55, 205,734.83 and 113,828.55

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Solution

The fourth proportional to 137,156.55, 205,734.83 and 113,828.55 is: 170,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,156.55 : 205,734.83 = 113,828.55 : x
  2. Step 2: Convert to fraction form
    137,156.55/205,734.83 = 113,828.55/x
  3. Step 3: Cross multiply
    137,156.55x = 205,734.83 × 113,828.55
  4. Step 4: Simplify right side
    137,156.55x = 23,418,496,814.25
  5. Step 5: Solve for x
    x = 23,418,496,814.25/137,156.55
  6. Step 6: Final answer
    x = 170,742.83

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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.