Home / 297,837.23-411,015.35-161,871.48

Finding the Fourth Proportional to 297,837.23, 411,015.35 and 161,871.48

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Solution

The fourth proportional to 297,837.23, 411,015.35 and 161,871.48 is: 223,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,837.23 : 411,015.35 = 161,871.48 : x
  2. Step 2: Convert to fraction form
    297,837.23/411,015.35 = 161,871.48/x
  3. Step 3: Cross multiply
    297,837.23x = 411,015.35 × 161,871.48
  4. Step 4: Simplify right side
    297,837.23x = 66,531,663,411.90
  5. Step 5: Solve for x
    x = 66,531,663,411.90/297,837.23
  6. Step 6: Final answer
    x = 223,382.63

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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.