Home / 320,089.80-441,585.18-192,691.59

Finding the Fourth Proportional to 320,089.80, 441,585.18 and 192,691.59

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Solution

The fourth proportional to 320,089.80, 441,585.18 and 192,691.59 is: 265,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,089.80 : 441,585.18 = 192,691.59 : x
  2. Step 2: Convert to fraction form
    320,089.80/441,585.18 = 192,691.59/x
  3. Step 3: Cross multiply
    320,089.80x = 441,585.18 × 192,691.59
  4. Step 4: Simplify right side
    320,089.80x = 85,089,750,454.64
  5. Step 5: Solve for x
    x = 85,089,750,454.64/320,089.80
  6. Step 6: Final answer
    x = 265,830.87

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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.