Home / 171,573.40-257,360.10-115,586.20

Finding the Fourth Proportional to 171,573.40, 257,360.10 and 115,586.20

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Solution

The fourth proportional to 171,573.40, 257,360.10 and 115,586.20 is: 173,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,573.40 : 257,360.10 = 115,586.20 : x
  2. Step 2: Convert to fraction form
    171,573.40/257,360.10 = 115,586.20/x
  3. Step 3: Cross multiply
    171,573.40x = 257,360.10 × 115,586.20
  4. Step 4: Simplify right side
    171,573.40x = 29,747,275,990.62
  5. Step 5: Solve for x
    x = 29,747,275,990.62/171,573.40
  6. Step 6: Final answer
    x = 173,379.30

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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.