Home / 131,131.40-196,696.80-56,202.96

Finding the Fourth Proportional to 131,131.40, 196,696.80 and 56,202.96

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Solution

The fourth proportional to 131,131.40, 196,696.80 and 56,202.96 is: 84,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,131.40 : 196,696.80 = 56,202.96 : x
  2. Step 2: Convert to fraction form
    131,131.40/196,696.80 = 56,202.96/x
  3. Step 3: Cross multiply
    131,131.40x = 196,696.80 × 56,202.96
  4. Step 4: Simplify right side
    131,131.40x = 11,054,942,382.53
  5. Step 5: Solve for x
    x = 11,054,942,382.53/131,131.40
  6. Step 6: Final answer
    x = 84,304.31

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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.