Home / 131,075.14-196,580.30-56,186.80

Finding the Fourth Proportional to 131,075.14, 196,580.30 and 56,186.80

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Solution

The fourth proportional to 131,075.14, 196,580.30 and 56,186.80 is: 84,266.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,075.14 : 196,580.30 = 56,186.80 : x
  2. Step 2: Convert to fraction form
    131,075.14/196,580.30 = 56,186.80/x
  3. Step 3: Cross multiply
    131,075.14x = 196,580.30 × 56,186.80
  4. Step 4: Simplify right side
    131,075.14x = 11,045,218,000.04
  5. Step 5: Solve for x
    x = 11,045,218,000.04/131,075.14
  6. Step 6: Final answer
    x = 84,266.31

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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.