Home / 356,050.62-491,337.53-203,138.31

Finding the Fourth Proportional to 356,050.62, 491,337.53 and 203,138.31

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Solution

The fourth proportional to 356,050.62, 491,337.53 and 203,138.31 is: 280,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,050.62 : 491,337.53 = 203,138.31 : x
  2. Step 2: Convert to fraction form
    356,050.62/491,337.53 = 203,138.31/x
  3. Step 3: Cross multiply
    356,050.62x = 491,337.53 × 203,138.31
  4. Step 4: Simplify right side
    356,050.62x = 99,809,475,483.77
  5. Step 5: Solve for x
    x = 99,809,475,483.77/356,050.62
  6. Step 6: Final answer
    x = 280,323.84

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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.