Home / 285,204.86-393,582.82-156,151.69

Finding the Fourth Proportional to 285,204.86, 393,582.82 and 156,151.69

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Solution

The fourth proportional to 285,204.86, 393,582.82 and 156,151.69 is: 215,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,204.86 : 393,582.82 = 156,151.69 : x
  2. Step 2: Convert to fraction form
    285,204.86/393,582.82 = 156,151.69/x
  3. Step 3: Cross multiply
    285,204.86x = 393,582.82 × 156,151.69
  4. Step 4: Simplify right side
    285,204.86x = 61,458,622,497.97
  5. Step 5: Solve for x
    x = 61,458,622,497.97/285,204.86
  6. Step 6: Final answer
    x = 215,489.39

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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.