Home / 285,700.14-394,186.39-225,082.66

Finding the Fourth Proportional to 285,700.14, 394,186.39 and 225,082.66

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Solution

The fourth proportional to 285,700.14, 394,186.39 and 225,082.66 is: 310,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,700.14 : 394,186.39 = 225,082.66 : x
  2. Step 2: Convert to fraction form
    285,700.14/394,186.39 = 225,082.66/x
  3. Step 3: Cross multiply
    285,700.14x = 394,186.39 × 225,082.66
  4. Step 4: Simplify right side
    285,700.14x = 88,724,521,197.00
  5. Step 5: Solve for x
    x = 88,724,521,197.00/285,700.14
  6. Step 6: Final answer
    x = 310,551.20

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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.