Home / 131,306.02-196,942.59-36,543.31

Finding the Fourth Proportional to 131,306.02, 196,942.59 and 36,543.31

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Solution

The fourth proportional to 131,306.02, 196,942.59 and 36,543.31 is: 54,810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,306.02 : 196,942.59 = 36,543.31 : x
  2. Step 2: Convert to fraction form
    131,306.02/196,942.59 = 36,543.31/x
  3. Step 3: Cross multiply
    131,306.02x = 196,942.59 × 36,543.31
  4. Step 4: Simplify right side
    131,306.02x = 7,196,933,626.22
  5. Step 5: Solve for x
    x = 7,196,933,626.22/131,306.02
  6. Step 6: Final answer
    x = 54,810.39

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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.