Home / 126,468.15-174,511.11-75,471.45

Finding the Fourth Proportional to 126,468.15, 174,511.11 and 75,471.45

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Solution

The fourth proportional to 126,468.15, 174,511.11 and 75,471.45 is: 104,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,468.15 : 174,511.11 = 75,471.45 : x
  2. Step 2: Convert to fraction form
    126,468.15/174,511.11 = 75,471.45/x
  3. Step 3: Cross multiply
    126,468.15x = 174,511.11 × 75,471.45
  4. Step 4: Simplify right side
    126,468.15x = 13,170,606,512.81
  5. Step 5: Solve for x
    x = 13,170,606,512.81/126,468.15
  6. Step 6: Final answer
    x = 104,141.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.