Home / 131,080.65-196,588.38-56,192.31

Finding the Fourth Proportional to 131,080.65, 196,588.38 and 56,192.31

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Solution

The fourth proportional to 131,080.65, 196,588.38 and 56,192.31 is: 84,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,080.65 : 196,588.38 = 56,192.31 : x
  2. Step 2: Convert to fraction form
    131,080.65/196,588.38 = 56,192.31/x
  3. Step 3: Cross multiply
    131,080.65x = 196,588.38 × 56,192.31
  4. Step 4: Simplify right side
    131,080.65x = 11,046,755,191.36
  5. Step 5: Solve for x
    x = 11,046,755,191.36/131,080.65
  6. Step 6: Final answer
    x = 84,274.49

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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.