Home / 126,448.14-189,778.62-63,249.31

Finding the Fourth Proportional to 126,448.14, 189,778.62 and 63,249.31

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Solution

The fourth proportional to 126,448.14, 189,778.62 and 63,249.31 is: 94,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,448.14 : 189,778.62 = 63,249.31 : x
  2. Step 2: Convert to fraction form
    126,448.14/189,778.62 = 63,249.31/x
  3. Step 3: Cross multiply
    126,448.14x = 189,778.62 × 63,249.31
  4. Step 4: Simplify right side
    126,448.14x = 12,003,365,818.86
  5. Step 5: Solve for x
    x = 12,003,365,818.86/126,448.14
  6. Step 6: Final answer
    x = 94,927.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.