Home / 336,021.36-503,857-158,480.68

Finding the Fourth Proportional to 336,021.36, 503,857 and 158,480.68

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Solution

The fourth proportional to 336,021.36, 503,857 and 158,480.68 is: 237,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,021.36 : 503,857 = 158,480.68 : x
  2. Step 2: Convert to fraction form
    336,021.36/503,857 = 158,480.68/x
  3. Step 3: Cross multiply
    336,021.36x = 503,857 × 158,480.68
  4. Step 4: Simplify right side
    336,021.36x = 79,851,599,982.76
  5. Step 5: Solve for x
    x = 79,851,599,982.76/336,021.36
  6. Step 6: Final answer
    x = 237,638.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.