Home / 126,249.92-189,352.56-42,001.64

Finding the Fourth Proportional to 126,249.92, 189,352.56 and 42,001.64

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Solution

The fourth proportional to 126,249.92, 189,352.56 and 42,001.64 is: 62,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,249.92 : 189,352.56 = 42,001.64 : x
  2. Step 2: Convert to fraction form
    126,249.92/189,352.56 = 42,001.64/x
  3. Step 3: Cross multiply
    126,249.92x = 189,352.56 × 42,001.64
  4. Step 4: Simplify right side
    126,249.92x = 7,953,118,058.20
  5. Step 5: Solve for x
    x = 7,953,118,058.20/126,249.92
  6. Step 6: Final answer
    x = 62,995.03

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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.