Home / 191,734.11-264,612.83-115,278.21

Finding the Fourth Proportional to 191,734.11, 264,612.83 and 115,278.21

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Solution

The fourth proportional to 191,734.11, 264,612.83 and 115,278.21 is: 159,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,734.11 : 264,612.83 = 115,278.21 : x
  2. Step 2: Convert to fraction form
    191,734.11/264,612.83 = 115,278.21/x
  3. Step 3: Cross multiply
    191,734.11x = 264,612.83 × 115,278.21
  4. Step 4: Simplify right side
    191,734.11x = 30,504,092,809.04
  5. Step 5: Solve for x
    x = 30,504,092,809.04/191,734.11
  6. Step 6: Final answer
    x = 159,095.81

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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.