Home / 221,810.52-306,007.02-161,248.44

Finding the Fourth Proportional to 221,810.52, 306,007.02 and 161,248.44

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Solution

The fourth proportional to 221,810.52, 306,007.02 and 161,248.44 is: 222,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,810.52 : 306,007.02 = 161,248.44 : x
  2. Step 2: Convert to fraction form
    221,810.52/306,007.02 = 161,248.44/x
  3. Step 3: Cross multiply
    221,810.52x = 306,007.02 × 161,248.44
  4. Step 4: Simplify right side
    221,810.52x = 49,343,154,604.05
  5. Step 5: Solve for x
    x = 49,343,154,604.05/221,810.52
  6. Step 6: Final answer
    x = 222,456.33

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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.