Home / 285,560.66-394,073.69-158,236.25

Finding the Fourth Proportional to 285,560.66, 394,073.69 and 158,236.25

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Solution

The fourth proportional to 285,560.66, 394,073.69 and 158,236.25 is: 218,366.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,560.66 : 394,073.69 = 158,236.25 : x
  2. Step 2: Convert to fraction form
    285,560.66/394,073.69 = 158,236.25/x
  3. Step 3: Cross multiply
    285,560.66x = 394,073.69 × 158,236.25
  4. Step 4: Simplify right side
    285,560.66x = 62,356,740,167.71
  5. Step 5: Solve for x
    x = 62,356,740,167.71/285,560.66
  6. Step 6: Final answer
    x = 218,366.00

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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.