Home / 131,855.16-197,680.50-65,249.40

Finding the Fourth Proportional to 131,855.16, 197,680.50 and 65,249.40

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Solution

The fourth proportional to 131,855.16, 197,680.50 and 65,249.40 is: 97,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,855.16 : 197,680.50 = 65,249.40 : x
  2. Step 2: Convert to fraction form
    131,855.16/197,680.50 = 65,249.40/x
  3. Step 3: Cross multiply
    131,855.16x = 197,680.50 × 65,249.40
  4. Step 4: Simplify right side
    131,855.16x = 12,898,534,016.70
  5. Step 5: Solve for x
    x = 12,898,534,016.70/131,855.16
  6. Step 6: Final answer
    x = 97,823.51

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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.