Home / 161,021.52-221,844.17-124,597.73

Finding the Fourth Proportional to 161,021.52, 221,844.17 and 124,597.73

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Solution

The fourth proportional to 161,021.52, 221,844.17 and 124,597.73 is: 171,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,021.52 : 221,844.17 = 124,597.73 : x
  2. Step 2: Convert to fraction form
    161,021.52/221,844.17 = 124,597.73/x
  3. Step 3: Cross multiply
    161,021.52x = 221,844.17 × 124,597.73
  4. Step 4: Simplify right side
    161,021.52x = 27,641,280,861.84
  5. Step 5: Solve for x
    x = 27,641,280,861.84/161,021.52
  6. Step 6: Final answer
    x = 171,662.03

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1.5x scale

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.