Home / 285,897.06-394,585.17-158,613.66

Finding the Fourth Proportional to 285,897.06, 394,585.17 and 158,613.66

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Solution

The fourth proportional to 285,897.06, 394,585.17 and 158,613.66 is: 218,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,897.06 : 394,585.17 = 158,613.66 : x
  2. Step 2: Convert to fraction form
    285,897.06/394,585.17 = 158,613.66/x
  3. Step 3: Cross multiply
    285,897.06x = 394,585.17 × 158,613.66
  4. Step 4: Simplify right side
    285,897.06x = 62,586,597,995.42
  5. Step 5: Solve for x
    x = 62,586,597,995.42/285,897.06
  6. Step 6: Final answer
    x = 218,913.05

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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.