Home / 285,984.33-394,663.59-156,929.46

Finding the Fourth Proportional to 285,984.33, 394,663.59 and 156,929.46

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Solution

The fourth proportional to 285,984.33, 394,663.59 and 156,929.46 is: 216,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,984.33 : 394,663.59 = 156,929.46 : x
  2. Step 2: Convert to fraction form
    285,984.33/394,663.59 = 156,929.46/x
  3. Step 3: Cross multiply
    285,984.33x = 394,663.59 × 156,929.46
  4. Step 4: Simplify right side
    285,984.33x = 61,934,344,060.36
  5. Step 5: Solve for x
    x = 61,934,344,060.36/285,984.33
  6. Step 6: Final answer
    x = 216,565.52

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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.