Home / 131,577.60-197,269.20-56,636.40

Finding the Fourth Proportional to 131,577.60, 197,269.20 and 56,636.40

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Solution

The fourth proportional to 131,577.60, 197,269.20 and 56,636.40 is: 84,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,577.60 : 197,269.20 = 56,636.40 : x
  2. Step 2: Convert to fraction form
    131,577.60/197,269.20 = 56,636.40/x
  3. Step 3: Cross multiply
    131,577.60x = 197,269.20 × 56,636.40
  4. Step 4: Simplify right side
    131,577.60x = 11,172,617,318.88
  5. Step 5: Solve for x
    x = 11,172,617,318.88/131,577.60
  6. Step 6: Final answer
    x = 84,912.76

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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.