Home / 126,998.28-190,534.41-56,861.19

Finding the Fourth Proportional to 126,998.28, 190,534.41 and 56,861.19

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Solution

The fourth proportional to 126,998.28, 190,534.41 and 56,861.19 is: 85,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,998.28 : 190,534.41 = 56,861.19 : x
  2. Step 2: Convert to fraction form
    126,998.28/190,534.41 = 56,861.19/x
  3. Step 3: Cross multiply
    126,998.28x = 190,534.41 × 56,861.19
  4. Step 4: Simplify right side
    126,998.28x = 10,834,013,288.55
  5. Step 5: Solve for x
    x = 10,834,013,288.55/126,998.28
  6. Step 6: Final answer
    x = 85,308.35

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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.