Home / 330,758.43-456,480.53-194,835.16

Finding the Fourth Proportional to 330,758.43, 456,480.53 and 194,835.16

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Solution

The fourth proportional to 330,758.43, 456,480.53 and 194,835.16 is: 268,892.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,758.43 : 456,480.53 = 194,835.16 : x
  2. Step 2: Convert to fraction form
    330,758.43/456,480.53 = 194,835.16/x
  3. Step 3: Cross multiply
    330,758.43x = 456,480.53 × 194,835.16
  4. Step 4: Simplify right side
    330,758.43x = 88,938,457,099.43
  5. Step 5: Solve for x
    x = 88,938,457,099.43/330,758.43
  6. Step 6: Final answer
    x = 268,892.49

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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.