Home / 285,544.29-394,045.24-158,218.77

Finding the Fourth Proportional to 285,544.29, 394,045.24 and 158,218.77

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Solution

The fourth proportional to 285,544.29, 394,045.24 and 158,218.77 is: 218,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,544.29 : 394,045.24 = 158,218.77 : x
  2. Step 2: Convert to fraction form
    285,544.29/394,045.24 = 158,218.77/x
  3. Step 3: Cross multiply
    285,544.29x = 394,045.24 × 158,218.77
  4. Step 4: Simplify right side
    285,544.29x = 62,345,353,197.15
  5. Step 5: Solve for x
    x = 62,345,353,197.15/285,544.29
  6. Step 6: Final answer
    x = 218,338.64

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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.