Home / 131,734.54-197,263.50-72,504.10

Finding the Fourth Proportional to 131,734.54, 197,263.50 and 72,504.10

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Solution

The fourth proportional to 131,734.54, 197,263.50 and 72,504.10 is: 108,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,734.54 : 197,263.50 = 72,504.10 : x
  2. Step 2: Convert to fraction form
    131,734.54/197,263.50 = 72,504.10/x
  3. Step 3: Cross multiply
    131,734.54x = 197,263.50 × 72,504.10
  4. Step 4: Simplify right side
    131,734.54x = 14,302,412,530.35
  5. Step 5: Solve for x
    x = 14,302,412,530.35/131,734.54
  6. Step 6: Final answer
    x = 108,569.95

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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.