Home / 131,131.88-196,697.94-56,203.40

Finding the Fourth Proportional to 131,131.88, 196,697.94 and 56,203.40

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Solution

The fourth proportional to 131,131.88, 196,697.94 and 56,203.40 is: 84,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,131.88 : 196,697.94 = 56,203.40 : x
  2. Step 2: Convert to fraction form
    131,131.88/196,697.94 = 56,203.40/x
  3. Step 3: Cross multiply
    131,131.88x = 196,697.94 × 56,203.40
  4. Step 4: Simplify right side
    131,131.88x = 11,055,093,001.00
  5. Step 5: Solve for x
    x = 11,055,093,001.00/131,131.88
  6. Step 6: Final answer
    x = 84,305.15

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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.