Home / 112,226.46-168,025.41-84,543.90

Finding the Fourth Proportional to 112,226.46, 168,025.41 and 84,543.90

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Solution

The fourth proportional to 112,226.46, 168,025.41 and 84,543.90 is: 126,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,226.46 : 168,025.41 = 84,543.90 : x
  2. Step 2: Convert to fraction form
    112,226.46/168,025.41 = 84,543.90/x
  3. Step 3: Cross multiply
    112,226.46x = 168,025.41 × 84,543.90
  4. Step 4: Simplify right side
    112,226.46x = 14,205,523,460.50
  5. Step 5: Solve for x
    x = 14,205,523,460.50/112,226.46
  6. Step 6: Final answer
    x = 126,579.09

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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.