Home / 285,236.40-393,502.62-171,996.24

Finding the Fourth Proportional to 285,236.40, 393,502.62 and 171,996.24

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Solution

The fourth proportional to 285,236.40, 393,502.62 and 171,996.24 is: 237,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,236.40 : 393,502.62 = 171,996.24 : x
  2. Step 2: Convert to fraction form
    285,236.40/393,502.62 = 171,996.24/x
  3. Step 3: Cross multiply
    285,236.40x = 393,502.62 × 171,996.24
  4. Step 4: Simplify right side
    285,236.40x = 67,680,971,070.15
  5. Step 5: Solve for x
    x = 67,680,971,070.15/285,236.40
  6. Step 6: Final answer
    x = 237,280.27

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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.