Home / 108,226.76-162,172.66-75,011.72

Finding the Fourth Proportional to 108,226.76, 162,172.66 and 75,011.72

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Solution

The fourth proportional to 108,226.76, 162,172.66 and 75,011.72 is: 112,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,226.76 : 162,172.66 = 75,011.72 : x
  2. Step 2: Convert to fraction form
    108,226.76/162,172.66 = 75,011.72/x
  3. Step 3: Cross multiply
    108,226.76x = 162,172.66 × 75,011.72
  4. Step 4: Simplify right side
    108,226.76x = 12,164,850,163.58
  5. Step 5: Solve for x
    x = 12,164,850,163.58/108,226.76
  6. Step 6: Final answer
    x = 112,401.50

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1.5x scale

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.