Home / 133,024.80-199,268.40-82,951.20

Finding the Fourth Proportional to 133,024.80, 199,268.40 and 82,951.20

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Solution

The fourth proportional to 133,024.80, 199,268.40 and 82,951.20 is: 124,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,024.80 : 199,268.40 = 82,951.20 : x
  2. Step 2: Convert to fraction form
    133,024.80/199,268.40 = 82,951.20/x
  3. Step 3: Cross multiply
    133,024.80x = 199,268.40 × 82,951.20
  4. Step 4: Simplify right side
    133,024.80x = 16,529,552,902.08
  5. Step 5: Solve for x
    x = 16,529,552,902.08/133,024.80
  6. Step 6: Final answer
    x = 124,259.18

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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.