Home / 171,817.20-257,725.80-148,197.60

Finding the Fourth Proportional to 171,817.20, 257,725.80 and 148,197.60

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Solution

The fourth proportional to 171,817.20, 257,725.80 and 148,197.60 is: 222,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,817.20 : 257,725.80 = 148,197.60 : x
  2. Step 2: Convert to fraction form
    171,817.20/257,725.80 = 148,197.60/x
  3. Step 3: Cross multiply
    171,817.20x = 257,725.80 × 148,197.60
  4. Step 4: Simplify right side
    171,817.20x = 38,194,345,018.08
  5. Step 5: Solve for x
    x = 38,194,345,018.08/171,817.20
  6. Step 6: Final answer
    x = 222,296.40

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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.