Home / 191,380.39-287,086.79-58,261.75

Finding the Fourth Proportional to 191,380.39, 287,086.79 and 58,261.75

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Solution

The fourth proportional to 191,380.39, 287,086.79 and 58,261.75 is: 87,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,380.39 : 287,086.79 = 58,261.75 : x
  2. Step 2: Convert to fraction form
    191,380.39/287,086.79 = 58,261.75/x
  3. Step 3: Cross multiply
    191,380.39x = 287,086.79 × 58,261.75
  4. Step 4: Simplify right side
    191,380.39x = 16,726,178,787.28
  5. Step 5: Solve for x
    x = 16,726,178,787.28/191,380.39
  6. Step 6: Final answer
    x = 87,397.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.