Home / 131,701.60-197,455.20-56,760.40

Finding the Fourth Proportional to 131,701.60, 197,455.20 and 56,760.40

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Solution

The fourth proportional to 131,701.60, 197,455.20 and 56,760.40 is: 85,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,701.60 : 197,455.20 = 56,760.40 : x
  2. Step 2: Convert to fraction form
    131,701.60/197,455.20 = 56,760.40/x
  3. Step 3: Cross multiply
    131,701.60x = 197,455.20 × 56,760.40
  4. Step 4: Simplify right side
    131,701.60x = 11,207,636,134.08
  5. Step 5: Solve for x
    x = 11,207,636,134.08/131,701.60
  6. Step 6: Final answer
    x = 85,098.71

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1.5x scale

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.