Home / 216,150.54-298,286.60-125,528.78

Finding the Fourth Proportional to 216,150.54, 298,286.60 and 125,528.78

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Solution

The fourth proportional to 216,150.54, 298,286.60 and 125,528.78 is: 173,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,150.54 : 298,286.60 = 125,528.78 : x
  2. Step 2: Convert to fraction form
    216,150.54/298,286.60 = 125,528.78/x
  3. Step 3: Cross multiply
    216,150.54x = 298,286.60 × 125,528.78
  4. Step 4: Simplify right side
    216,150.54x = 37,443,552,988.35
  5. Step 5: Solve for x
    x = 37,443,552,988.35/216,150.54
  6. Step 6: Final answer
    x = 173,229.05

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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.