Home / 126,274.33-189,445.92-42,048.10

Finding the Fourth Proportional to 126,274.33, 189,445.92 and 42,048.10

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Solution

The fourth proportional to 126,274.33, 189,445.92 and 42,048.10 is: 63,083.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,274.33 : 189,445.92 = 42,048.10 : x
  2. Step 2: Convert to fraction form
    126,274.33/189,445.92 = 42,048.10/x
  3. Step 3: Cross multiply
    126,274.33x = 189,445.92 × 42,048.10
  4. Step 4: Simplify right side
    126,274.33x = 7,965,840,988.75
  5. Step 5: Solve for x
    x = 7,965,840,988.75/126,274.33
  6. Step 6: Final answer
    x = 63,083.61

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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.