Home / 330,836.40-456,338.88-194,755.59

Finding the Fourth Proportional to 330,836.40, 456,338.88 and 194,755.59

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Solution

The fourth proportional to 330,836.40, 456,338.88 and 194,755.59 is: 268,635.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,836.40 : 456,338.88 = 194,755.59 : x
  2. Step 2: Convert to fraction form
    330,836.40/456,338.88 = 194,755.59/x
  3. Step 3: Cross multiply
    330,836.40x = 456,338.88 × 194,755.59
  4. Step 4: Simplify right side
    330,836.40x = 88,874,547,814.34
  5. Step 5: Solve for x
    x = 88,874,547,814.34/330,836.40
  6. Step 6: Final answer
    x = 268,635.94

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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.