Home / 191,400.90-264,062.09-191,105.66

Finding the Fourth Proportional to 191,400.90, 264,062.09 and 191,105.66

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Solution

The fourth proportional to 191,400.90, 264,062.09 and 191,105.66 is: 263,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,400.90 : 264,062.09 = 191,105.66 : x
  2. Step 2: Convert to fraction form
    191,400.90/264,062.09 = 191,105.66/x
  3. Step 3: Cross multiply
    191,400.90x = 264,062.09 × 191,105.66
  4. Step 4: Simplify right side
    191,400.90x = 50,463,757,714.59
  5. Step 5: Solve for x
    x = 50,463,757,714.59/191,400.90
  6. Step 6: Final answer
    x = 263,654.76

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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.