Home / 285,726.17-394,314.57-170,982.98

Finding the Fourth Proportional to 285,726.17, 394,314.57 and 170,982.98

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Solution

The fourth proportional to 285,726.17, 394,314.57 and 170,982.98 is: 235,963.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,726.17 : 394,314.57 = 170,982.98 : x
  2. Step 2: Convert to fraction form
    285,726.17/394,314.57 = 170,982.98/x
  3. Step 3: Cross multiply
    285,726.17x = 394,314.57 × 170,982.98
  4. Step 4: Simplify right side
    285,726.17x = 67,421,080,236.02
  5. Step 5: Solve for x
    x = 67,421,080,236.02/285,726.17
  6. Step 6: Final answer
    x = 235,963.97

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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.