Home / 355,322.30-533,131.07-155,539.85

Finding the Fourth Proportional to 355,322.30, 533,131.07 and 155,539.85

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Solution

The fourth proportional to 355,322.30, 533,131.07 and 155,539.85 is: 233,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,322.30 : 533,131.07 = 155,539.85 : x
  2. Step 2: Convert to fraction form
    355,322.30/533,131.07 = 155,539.85/x
  3. Step 3: Cross multiply
    355,322.30x = 533,131.07 × 155,539.85
  4. Step 4: Simplify right side
    355,322.30x = 82,923,123,214.78
  5. Step 5: Solve for x
    x = 82,923,123,214.78/355,322.30
  6. Step 6: Final answer
    x = 233,374.39

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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.