Home / 191,056.47-263,380.05-133,517.15

Finding the Fourth Proportional to 191,056.47, 263,380.05 and 133,517.15

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Solution

The fourth proportional to 191,056.47, 263,380.05 and 133,517.15 is: 184,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,056.47 : 263,380.05 = 133,517.15 : x
  2. Step 2: Convert to fraction form
    191,056.47/263,380.05 = 133,517.15/x
  3. Step 3: Cross multiply
    191,056.47x = 263,380.05 × 133,517.15
  4. Step 4: Simplify right side
    191,056.47x = 35,165,753,642.86
  5. Step 5: Solve for x
    x = 35,165,753,642.86/191,056.47
  6. Step 6: Final answer
    x = 184,059.48

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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.