Home / 168,504.50-252,951.16-85,573.46

Finding the Fourth Proportional to 168,504.50, 252,951.16 and 85,573.46

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Solution

The fourth proportional to 168,504.50, 252,951.16 and 85,573.46 is: 128,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,504.50 : 252,951.16 = 85,573.46 : x
  2. Step 2: Convert to fraction form
    168,504.50/252,951.16 = 85,573.46/x
  3. Step 3: Cross multiply
    168,504.50x = 252,951.16 × 85,573.46
  4. Step 4: Simplify right side
    168,504.50x = 21,645,905,972.21
  5. Step 5: Solve for x
    x = 21,645,905,972.21/168,504.50
  6. Step 6: Final answer
    x = 128,458.92

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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.