Home / 236,850.64-326,843.56-129,415.60

Finding the Fourth Proportional to 236,850.64, 326,843.56 and 129,415.60

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Solution

The fourth proportional to 236,850.64, 326,843.56 and 129,415.60 is: 178,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,850.64 : 326,843.56 = 129,415.60 : x
  2. Step 2: Convert to fraction form
    236,850.64/326,843.56 = 129,415.60/x
  3. Step 3: Cross multiply
    236,850.64x = 326,843.56 × 129,415.60
  4. Step 4: Simplify right side
    236,850.64x = 42,298,655,423.54
  5. Step 5: Solve for x
    x = 42,298,655,423.54/236,850.64
  6. Step 6: Final answer
    x = 178,587.89

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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.