Home / 285,740.24-394,326.07-156,690.46

Finding the Fourth Proportional to 285,740.24, 394,326.07 and 156,690.46

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Solution

The fourth proportional to 285,740.24, 394,326.07 and 156,690.46 is: 216,235.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,740.24 : 394,326.07 = 156,690.46 : x
  2. Step 2: Convert to fraction form
    285,740.24/394,326.07 = 156,690.46/x
  3. Step 3: Cross multiply
    285,740.24x = 394,326.07 × 156,690.46
  4. Step 4: Simplify right side
    285,740.24x = 61,787,131,181.39
  5. Step 5: Solve for x
    x = 61,787,131,181.39/285,740.24
  6. Step 6: Final answer
    x = 216,235.32

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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.