Home / 126,935.16-190,516.95-67,821.36

Finding the Fourth Proportional to 126,935.16, 190,516.95 and 67,821.36

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Solution

The fourth proportional to 126,935.16, 190,516.95 and 67,821.36 is: 101,793.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,935.16 : 190,516.95 = 67,821.36 : x
  2. Step 2: Convert to fraction form
    126,935.16/190,516.95 = 67,821.36/x
  3. Step 3: Cross multiply
    126,935.16x = 190,516.95 × 67,821.36
  4. Step 4: Simplify right side
    126,935.16x = 12,921,118,652.05
  5. Step 5: Solve for x
    x = 12,921,118,652.05/126,935.16
  6. Step 6: Final answer
    x = 101,793.06

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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.