Home / 131,867.46-197,907.48-68,706.90

Finding the Fourth Proportional to 131,867.46, 197,907.48 and 68,706.90

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Solution

The fourth proportional to 131,867.46, 197,907.48 and 68,706.90 is: 103,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,867.46 : 197,907.48 = 68,706.90 : x
  2. Step 2: Convert to fraction form
    131,867.46/197,907.48 = 68,706.90/x
  3. Step 3: Cross multiply
    131,867.46x = 197,907.48 × 68,706.90
  4. Step 4: Simplify right side
    131,867.46x = 13,597,609,437.61
  5. Step 5: Solve for x
    x = 13,597,609,437.61/131,867.46
  6. Step 6: Final answer
    x = 103,115.73

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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.