Home / 343,872.16-474,577.68-192,969.76

Finding the Fourth Proportional to 343,872.16, 474,577.68 and 192,969.76

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Solution

The fourth proportional to 343,872.16, 474,577.68 and 192,969.76 is: 266,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,872.16 : 474,577.68 = 192,969.76 : x
  2. Step 2: Convert to fraction form
    343,872.16/474,577.68 = 192,969.76/x
  3. Step 3: Cross multiply
    343,872.16x = 474,577.68 × 192,969.76
  4. Step 4: Simplify right side
    343,872.16x = 91,579,141,010.96
  5. Step 5: Solve for x
    x = 91,579,141,010.96/343,872.16
  6. Step 6: Final answer
    x = 266,317.40

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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.