Home / 283,801.41-391,648.95-156,481.56

Finding the Fourth Proportional to 283,801.41, 391,648.95 and 156,481.56

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Solution

The fourth proportional to 283,801.41, 391,648.95 and 156,481.56 is: 215,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,801.41 : 391,648.95 = 156,481.56 : x
  2. Step 2: Convert to fraction form
    283,801.41/391,648.95 = 156,481.56/x
  3. Step 3: Cross multiply
    283,801.41x = 391,648.95 × 156,481.56
  4. Step 4: Simplify right side
    283,801.41x = 61,285,838,668.36
  5. Step 5: Solve for x
    x = 61,285,838,668.36/283,801.41
  6. Step 6: Final answer
    x = 215,946.21

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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.