Home / 297,685.24-410,808.46-161,720.20

Finding the Fourth Proportional to 297,685.24, 410,808.46 and 161,720.20

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Solution

The fourth proportional to 297,685.24, 410,808.46 and 161,720.20 is: 223,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,685.24 : 410,808.46 = 161,720.20 : x
  2. Step 2: Convert to fraction form
    297,685.24/410,808.46 = 161,720.20/x
  3. Step 3: Cross multiply
    297,685.24x = 410,808.46 × 161,720.20
  4. Step 4: Simplify right side
    297,685.24x = 66,436,026,312.89
  5. Step 5: Solve for x
    x = 66,436,026,312.89/297,685.24
  6. Step 6: Final answer
    x = 223,175.41

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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.