Home / 236,824.97-326,823.17-129,401.64

Finding the Fourth Proportional to 236,824.97, 326,823.17 and 129,401.64

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Solution

The fourth proportional to 236,824.97, 326,823.17 and 129,401.64 is: 178,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,824.97 : 326,823.17 = 129,401.64 : x
  2. Step 2: Convert to fraction form
    236,824.97/326,823.17 = 129,401.64/x
  3. Step 3: Cross multiply
    236,824.97x = 326,823.17 × 129,401.64
  4. Step 4: Simplify right side
    236,824.97x = 42,291,453,540.99
  5. Step 5: Solve for x
    x = 42,291,453,540.99/236,824.97
  6. Step 6: Final answer
    x = 178,576.84

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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.