Home / 356,532.12-534,437.76-223,505.64

Finding the Fourth Proportional to 356,532.12, 534,437.76 and 223,505.64

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Solution

The fourth proportional to 356,532.12, 534,437.76 and 223,505.64 is: 335,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,532.12 : 534,437.76 = 223,505.64 : x
  2. Step 2: Convert to fraction form
    356,532.12/534,437.76 = 223,505.64/x
  3. Step 3: Cross multiply
    356,532.12x = 534,437.76 × 223,505.64
  4. Step 4: Simplify right side
    356,532.12x = 119,449,853,588.97
  5. Step 5: Solve for x
    x = 119,449,853,588.97/356,532.12
  6. Step 6: Final answer
    x = 335,032.52

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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.