Home / 113,226.54-156,249.26-64,826.88

Finding the Fourth Proportional to 113,226.54, 156,249.26 and 64,826.88

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Solution

The fourth proportional to 113,226.54, 156,249.26 and 64,826.88 is: 89,459.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,226.54 : 156,249.26 = 64,826.88 : x
  2. Step 2: Convert to fraction form
    113,226.54/156,249.26 = 64,826.88/x
  3. Step 3: Cross multiply
    113,226.54x = 156,249.26 × 64,826.88
  4. Step 4: Simplify right side
    113,226.54x = 10,129,152,028.11
  5. Step 5: Solve for x
    x = 10,129,152,028.11/113,226.54
  6. Step 6: Final answer
    x = 89,459.17

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1.5x scale

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.