Home / 191,249.52-263,920.56-106,364.76

Finding the Fourth Proportional to 191,249.52, 263,920.56 and 106,364.76

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Solution

The fourth proportional to 191,249.52, 263,920.56 and 106,364.76 is: 146,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,249.52 : 263,920.56 = 106,364.76 : x
  2. Step 2: Convert to fraction form
    191,249.52/263,920.56 = 106,364.76/x
  3. Step 3: Cross multiply
    191,249.52x = 263,920.56 × 106,364.76
  4. Step 4: Simplify right side
    191,249.52x = 28,071,847,023.47
  5. Step 5: Solve for x
    x = 28,071,847,023.47/191,249.52
  6. Step 6: Final answer
    x = 146,781.27

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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.