Home / 126,175.48-189,234.04-37,407.60

Finding the Fourth Proportional to 126,175.48, 189,234.04 and 37,407.60

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Solution

The fourth proportional to 126,175.48, 189,234.04 and 37,407.60 is: 56,102.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,175.48 : 189,234.04 = 37,407.60 : x
  2. Step 2: Convert to fraction form
    126,175.48/189,234.04 = 37,407.60/x
  3. Step 3: Cross multiply
    126,175.48x = 189,234.04 × 37,407.60
  4. Step 4: Simplify right side
    126,175.48x = 7,078,791,274.70
  5. Step 5: Solve for x
    x = 7,078,791,274.70/126,175.48
  6. Step 6: Final answer
    x = 56,102.75

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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.