Home / 126,326.04-189,508.50-42,057.30

Finding the Fourth Proportional to 126,326.04, 189,508.50 and 42,057.30

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Solution

The fourth proportional to 126,326.04, 189,508.50 and 42,057.30 is: 63,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,326.04 : 189,508.50 = 42,057.30 : x
  2. Step 2: Convert to fraction form
    126,326.04/189,508.50 = 42,057.30/x
  3. Step 3: Cross multiply
    126,326.04x = 189,508.50 × 42,057.30
  4. Step 4: Simplify right side
    126,326.04x = 7,970,215,837.05
  5. Step 5: Solve for x
    x = 7,970,215,837.05/126,326.04
  6. Step 6: Final answer
    x = 63,092.42

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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.