Home / 131,036.60-196,554.90-36,266.60

Finding the Fourth Proportional to 131,036.60, 196,554.90 and 36,266.60

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Solution

The fourth proportional to 131,036.60, 196,554.90 and 36,266.60 is: 54,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,036.60 : 196,554.90 = 36,266.60 : x
  2. Step 2: Convert to fraction form
    131,036.60/196,554.90 = 36,266.60/x
  3. Step 3: Cross multiply
    131,036.60x = 196,554.90 × 36,266.60
  4. Step 4: Simplify right side
    131,036.60x = 7,128,377,936.34
  5. Step 5: Solve for x
    x = 7,128,377,936.34/131,036.60
  6. Step 6: Final answer
    x = 54,399.90

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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.