Home / 171,707.20-257,560.80-148,087.60

Finding the Fourth Proportional to 171,707.20, 257,560.80 and 148,087.60

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Solution

The fourth proportional to 171,707.20, 257,560.80 and 148,087.60 is: 222,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,707.20 : 257,560.80 = 148,087.60 : x
  2. Step 2: Convert to fraction form
    171,707.20/257,560.80 = 148,087.60/x
  3. Step 3: Cross multiply
    171,707.20x = 257,560.80 × 148,087.60
  4. Step 4: Simplify right side
    171,707.20x = 38,141,560,726.08
  5. Step 5: Solve for x
    x = 38,141,560,726.08/171,707.20
  6. Step 6: Final answer
    x = 222,131.40

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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.