Home / 343,601.78-474,194.13-192,708.50

Finding the Fourth Proportional to 343,601.78, 474,194.13 and 192,708.50

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Solution

The fourth proportional to 343,601.78, 474,194.13 and 192,708.50 is: 265,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,601.78 : 474,194.13 = 192,708.50 : x
  2. Step 2: Convert to fraction form
    343,601.78/474,194.13 = 192,708.50/x
  3. Step 3: Cross multiply
    343,601.78x = 474,194.13 × 192,708.50
  4. Step 4: Simplify right side
    343,601.78x = 91,381,239,501.11
  5. Step 5: Solve for x
    x = 91,381,239,501.11/343,601.78
  6. Step 6: Final answer
    x = 265,951.01

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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.