Home / 283,648.54-391,433.04-156,324.22

Finding the Fourth Proportional to 283,648.54, 391,433.04 and 156,324.22

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Solution

The fourth proportional to 283,648.54, 391,433.04 and 156,324.22 is: 215,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,648.54 : 391,433.04 = 156,324.22 : x
  2. Step 2: Convert to fraction form
    283,648.54/391,433.04 = 156,324.22/x
  3. Step 3: Cross multiply
    283,648.54x = 391,433.04 × 156,324.22
  4. Step 4: Simplify right side
    283,648.54x = 61,190,464,660.23
  5. Step 5: Solve for x
    x = 61,190,464,660.23/283,648.54
  6. Step 6: Final answer
    x = 215,726.35

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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.