Home / 285,191.03-393,598.79-162,713.56

Finding the Fourth Proportional to 285,191.03, 393,598.79 and 162,713.56

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Solution

The fourth proportional to 285,191.03, 393,598.79 and 162,713.56 is: 224,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,191.03 : 393,598.79 = 162,713.56 : x
  2. Step 2: Convert to fraction form
    285,191.03/393,598.79 = 162,713.56/x
  3. Step 3: Cross multiply
    285,191.03x = 393,598.79 × 162,713.56
  4. Step 4: Simplify right side
    285,191.03x = 64,043,859,145.20
  5. Step 5: Solve for x
    x = 64,043,859,145.20/285,191.03
  6. Step 6: Final answer
    x = 224,564.78

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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.