Home / 140,194.68-193,468.95-76,533.54

Finding the Fourth Proportional to 140,194.68, 193,468.95 and 76,533.54

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Solution

The fourth proportional to 140,194.68, 193,468.95 and 76,533.54 is: 105,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,194.68 : 193,468.95 = 76,533.54 : x
  2. Step 2: Convert to fraction form
    140,194.68/193,468.95 = 76,533.54/x
  3. Step 3: Cross multiply
    140,194.68x = 193,468.95 × 76,533.54
  4. Step 4: Simplify right side
    140,194.68x = 14,806,863,623.58
  5. Step 5: Solve for x
    x = 14,806,863,623.58/140,194.68
  6. Step 6: Final answer
    x = 105,616.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.