Home / 356,499.14-534,388.87-223,472.81

Finding the Fourth Proportional to 356,499.14, 534,388.87 and 223,472.81

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Solution

The fourth proportional to 356,499.14, 534,388.87 and 223,472.81 is: 334,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,499.14 : 534,388.87 = 223,472.81 : x
  2. Step 2: Convert to fraction form
    356,499.14/534,388.87 = 223,472.81/x
  3. Step 3: Cross multiply
    356,499.14x = 534,388.87 × 223,472.81
  4. Step 4: Simplify right side
    356,499.14x = 119,421,384,061.10
  5. Step 5: Solve for x
    x = 119,421,384,061.10/356,499.14
  6. Step 6: Final answer
    x = 334,983.66

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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.