Home / 356,622.75-534,557.07-131,838.84

Finding the Fourth Proportional to 356,622.75, 534,557.07 and 131,838.84

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Solution

The fourth proportional to 356,622.75, 534,557.07 and 131,838.84 is: 197,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,622.75 : 534,557.07 = 131,838.84 : x
  2. Step 2: Convert to fraction form
    356,622.75/534,557.07 = 131,838.84/x
  3. Step 3: Cross multiply
    356,622.75x = 534,557.07 × 131,838.84
  4. Step 4: Simplify right side
    356,622.75x = 70,475,384,022.60
  5. Step 5: Solve for x
    x = 70,475,384,022.60/356,622.75
  6. Step 6: Final answer
    x = 197,618.87

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1.5x scale

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.