Home / 112,134.02-168,313.26-80,581.10

Finding the Fourth Proportional to 112,134.02, 168,313.26 and 80,581.10

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Solution

The fourth proportional to 112,134.02, 168,313.26 and 80,581.10 is: 120,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,134.02 : 168,313.26 = 80,581.10 : x
  2. Step 2: Convert to fraction form
    112,134.02/168,313.26 = 80,581.10/x
  3. Step 3: Cross multiply
    112,134.02x = 168,313.26 × 80,581.10
  4. Step 4: Simplify right side
    112,134.02x = 13,562,867,635.39
  5. Step 5: Solve for x
    x = 13,562,867,635.39/112,134.02
  6. Step 6: Final answer
    x = 120,952.30

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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.