Home / 330,869.84-456,586.56-194,909.36

Finding the Fourth Proportional to 330,869.84, 456,586.56 and 194,909.36

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Solution

The fourth proportional to 330,869.84, 456,586.56 and 194,909.36 is: 268,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,869.84 : 456,586.56 = 194,909.36 : x
  2. Step 2: Convert to fraction form
    330,869.84/456,586.56 = 194,909.36/x
  3. Step 3: Cross multiply
    330,869.84x = 456,586.56 × 194,909.36
  4. Step 4: Simplify right side
    330,869.84x = 88,992,994,194.20
  5. Step 5: Solve for x
    x = 88,992,994,194.20/330,869.84
  6. Step 6: Final answer
    x = 268,966.78

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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.