Home / 369,880.31-510,432.68-200,110.79

Finding the Fourth Proportional to 369,880.31, 510,432.68 and 200,110.79

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Solution

The fourth proportional to 369,880.31, 510,432.68 and 200,110.79 is: 276,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,880.31 : 510,432.68 = 200,110.79 : x
  2. Step 2: Convert to fraction form
    369,880.31/510,432.68 = 200,110.79/x
  3. Step 3: Cross multiply
    369,880.31x = 510,432.68 × 200,110.79
  4. Step 4: Simplify right side
    369,880.31x = 102,143,086,836.62
  5. Step 5: Solve for x
    x = 102,143,086,836.62/369,880.31
  6. Step 6: Final answer
    x = 276,151.73

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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.