Home / 131,217.22-181,079.31-73,856.50

Finding the Fourth Proportional to 131,217.22, 181,079.31 and 73,856.50

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Solution

The fourth proportional to 131,217.22, 181,079.31 and 73,856.50 is: 101,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,217.22 : 181,079.31 = 73,856.50 : x
  2. Step 2: Convert to fraction form
    131,217.22/181,079.31 = 73,856.50/x
  3. Step 3: Cross multiply
    131,217.22x = 181,079.31 × 73,856.50
  4. Step 4: Simplify right side
    131,217.22x = 13,373,884,511.71
  5. Step 5: Solve for x
    x = 13,373,884,511.71/131,217.22
  6. Step 6: Final answer
    x = 101,921.72

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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.