Home / 131,005.81-196,344.28-56,037.84

Finding the Fourth Proportional to 131,005.81, 196,344.28 and 56,037.84

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Solution

The fourth proportional to 131,005.81, 196,344.28 and 56,037.84 is: 83,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,005.81 : 196,344.28 = 56,037.84 : x
  2. Step 2: Convert to fraction form
    131,005.81/196,344.28 = 56,037.84/x
  3. Step 3: Cross multiply
    131,005.81x = 196,344.28 × 56,037.84
  4. Step 4: Simplify right side
    131,005.81x = 11,002,709,347.56
  5. Step 5: Solve for x
    x = 11,002,709,347.56/131,005.81
  6. Step 6: Final answer
    x = 83,986.42

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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.