Home / 152,766.45-229,011.15-82,563.75

Finding the Fourth Proportional to 152,766.45, 229,011.15 and 82,563.75

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Solution

The fourth proportional to 152,766.45, 229,011.15 and 82,563.75 is: 123,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,766.45 : 229,011.15 = 82,563.75 : x
  2. Step 2: Convert to fraction form
    152,766.45/229,011.15 = 82,563.75/x
  3. Step 3: Cross multiply
    152,766.45x = 229,011.15 × 82,563.75
  4. Step 4: Simplify right side
    152,766.45x = 18,908,019,335.81
  5. Step 5: Solve for x
    x = 18,908,019,335.81/152,766.45
  6. Step 6: Final answer
    x = 123,770.76

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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.