Home / 131,132.40-196,698.30-56,203.96

Finding the Fourth Proportional to 131,132.40, 196,698.30 and 56,203.96

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Solution

The fourth proportional to 131,132.40, 196,698.30 and 56,203.96 is: 84,305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,132.40 : 196,698.30 = 56,203.96 : x
  2. Step 2: Convert to fraction form
    131,132.40/196,698.30 = 56,203.96/x
  3. Step 3: Cross multiply
    131,132.40x = 196,698.30 × 56,203.96
  4. Step 4: Simplify right side
    131,132.40x = 11,055,223,385.27
  5. Step 5: Solve for x
    x = 11,055,223,385.27/131,132.40
  6. Step 6: Final answer
    x = 84,305.81

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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.