Home / 119,604.96-165,222.72-113,306.40

Finding the Fourth Proportional to 119,604.96, 165,222.72 and 113,306.40

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Solution

The fourth proportional to 119,604.96, 165,222.72 and 113,306.40 is: 156,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,604.96 : 165,222.72 = 113,306.40 : x
  2. Step 2: Convert to fraction form
    119,604.96/165,222.72 = 113,306.40/x
  3. Step 3: Cross multiply
    119,604.96x = 165,222.72 × 113,306.40
  4. Step 4: Simplify right side
    119,604.96x = 18,720,791,601.41
  5. Step 5: Solve for x
    x = 18,720,791,601.41/119,604.96
  6. Step 6: Final answer
    x = 156,521.87

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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.