Home / 152,918.73-211,027.85-85,850.73

Finding the Fourth Proportional to 152,918.73, 211,027.85 and 85,850.73

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Solution

The fourth proportional to 152,918.73, 211,027.85 and 85,850.73 is: 118,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,918.73 : 211,027.85 = 85,850.73 : x
  2. Step 2: Convert to fraction form
    152,918.73/211,027.85 = 85,850.73/x
  3. Step 3: Cross multiply
    152,918.73x = 211,027.85 × 85,850.73
  4. Step 4: Simplify right side
    152,918.73x = 18,116,894,972.83
  5. Step 5: Solve for x
    x = 18,116,894,972.83/152,918.73
  6. Step 6: Final answer
    x = 118,474.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.