Home / 126,190.92-189,403.02-63,905.16

Finding the Fourth Proportional to 126,190.92, 189,403.02 and 63,905.16

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Solution

The fourth proportional to 126,190.92, 189,403.02 and 63,905.16 is: 95,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,190.92 : 189,403.02 = 63,905.16 : x
  2. Step 2: Convert to fraction form
    126,190.92/189,403.02 = 63,905.16/x
  3. Step 3: Cross multiply
    126,190.92x = 189,403.02 × 63,905.16
  4. Step 4: Simplify right side
    126,190.92x = 12,103,830,297.58
  5. Step 5: Solve for x
    x = 12,103,830,297.58/126,190.92
  6. Step 6: Final answer
    x = 95,916.81

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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.