Home / 132,226.10-182,446.35-78,527.96

Finding the Fourth Proportional to 132,226.10, 182,446.35 and 78,527.96

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Solution

The fourth proportional to 132,226.10, 182,446.35 and 78,527.96 is: 108,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,226.10 : 182,446.35 = 78,527.96 : x
  2. Step 2: Convert to fraction form
    132,226.10/182,446.35 = 78,527.96/x
  3. Step 3: Cross multiply
    132,226.10x = 182,446.35 × 78,527.96
  4. Step 4: Simplify right side
    132,226.10x = 14,327,139,674.95
  5. Step 5: Solve for x
    x = 14,327,139,674.95/132,226.10
  6. Step 6: Final answer
    x = 108,353.34

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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.