Home / 330,118.59-455,565.54-194,158.26

Finding the Fourth Proportional to 330,118.59, 455,565.54 and 194,158.26

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Solution

The fourth proportional to 330,118.59, 455,565.54 and 194,158.26 is: 267,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,118.59 : 455,565.54 = 194,158.26 : x
  2. Step 2: Convert to fraction form
    330,118.59/455,565.54 = 194,158.26/x
  3. Step 3: Cross multiply
    330,118.59x = 455,565.54 × 194,158.26
  4. Step 4: Simplify right side
    330,118.59x = 88,451,812,562.36
  5. Step 5: Solve for x
    x = 88,451,812,562.36/330,118.59
  6. Step 6: Final answer
    x = 267,939.51

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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.