Home / 343,729-474,340.20-192,822.76

Finding the Fourth Proportional to 343,729, 474,340.20 and 192,822.76

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Solution

The fourth proportional to 343,729, 474,340.20 and 192,822.76 is: 266,092.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,729 : 474,340.20 = 192,822.76 : x
  2. Step 2: Convert to fraction form
    343,729/474,340.20 = 192,822.76/x
  3. Step 3: Cross multiply
    343,729x = 474,340.20 × 192,822.76
  4. Step 4: Simplify right side
    343,729x = 91,463,586,542.95
  5. Step 5: Solve for x
    x = 91,463,586,542.95/343,729
  6. Step 6: Final answer
    x = 266,092.14

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1.5x scale

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.