Home / 142,655.96-196,864.88-82,226.12

Finding the Fourth Proportional to 142,655.96, 196,864.88 and 82,226.12

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Solution

The fourth proportional to 142,655.96, 196,864.88 and 82,226.12 is: 113,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,655.96 : 196,864.88 = 82,226.12 : x
  2. Step 2: Convert to fraction form
    142,655.96/196,864.88 = 82,226.12/x
  3. Step 3: Cross multiply
    142,655.96x = 196,864.88 × 82,226.12
  4. Step 4: Simplify right side
    142,655.96x = 16,187,435,246.67
  5. Step 5: Solve for x
    x = 16,187,435,246.67/142,655.96
  6. Step 6: Final answer
    x = 113,471.85

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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.