Home / 131,745.42-197,623.53-38,251.17

Finding the Fourth Proportional to 131,745.42, 197,623.53 and 38,251.17

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Solution

The fourth proportional to 131,745.42, 197,623.53 and 38,251.17 is: 57,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,745.42 : 197,623.53 = 38,251.17 : x
  2. Step 2: Convert to fraction form
    131,745.42/197,623.53 = 38,251.17/x
  3. Step 3: Cross multiply
    131,745.42x = 197,623.53 × 38,251.17
  4. Step 4: Simplify right side
    131,745.42x = 7,559,331,242.03
  5. Step 5: Solve for x
    x = 7,559,331,242.03/131,745.42
  6. Step 6: Final answer
    x = 57,378.32

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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.