Home / 131,821.28-197,741.14-52,935.50

Finding the Fourth Proportional to 131,821.28, 197,741.14 and 52,935.50

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Solution

The fourth proportional to 131,821.28, 197,741.14 and 52,935.50 is: 79,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,821.28 : 197,741.14 = 52,935.50 : x
  2. Step 2: Convert to fraction form
    131,821.28/197,741.14 = 52,935.50/x
  3. Step 3: Cross multiply
    131,821.28x = 197,741.14 × 52,935.50
  4. Step 4: Simplify right side
    131,821.28x = 10,467,525,851.79
  5. Step 5: Solve for x
    x = 10,467,525,851.79/131,821.28
  6. Step 6: Final answer
    x = 79,406.95

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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.