Home / 137,285.34-205,849.18-73,164.57

Finding the Fourth Proportional to 137,285.34, 205,849.18 and 73,164.57

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Solution

The fourth proportional to 137,285.34, 205,849.18 and 73,164.57 is: 109,704.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,285.34 : 205,849.18 = 73,164.57 : x
  2. Step 2: Convert to fraction form
    137,285.34/205,849.18 = 73,164.57/x
  3. Step 3: Cross multiply
    137,285.34x = 205,849.18 × 73,164.57
  4. Step 4: Simplify right side
    137,285.34x = 15,060,866,739.55
  5. Step 5: Solve for x
    x = 15,060,866,739.55/137,285.34
  6. Step 6: Final answer
    x = 109,704.84

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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.