Home / 191,090.62-263,249.22-133,622.47

Finding the Fourth Proportional to 191,090.62, 263,249.22 and 133,622.47

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Solution

The fourth proportional to 191,090.62, 263,249.22 and 133,622.47 is: 184,080.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,090.62 : 263,249.22 = 133,622.47 : x
  2. Step 2: Convert to fraction form
    191,090.62/263,249.22 = 133,622.47/x
  3. Step 3: Cross multiply
    191,090.62x = 263,249.22 × 133,622.47
  4. Step 4: Simplify right side
    191,090.62x = 35,176,011,001.97
  5. Step 5: Solve for x
    x = 35,176,011,001.97/191,090.62
  6. Step 6: Final answer
    x = 184,080.26

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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.