Home / 115,906.90-173,860.35-82,445.80

Finding the Fourth Proportional to 115,906.90, 173,860.35 and 82,445.80

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Solution

The fourth proportional to 115,906.90, 173,860.35 and 82,445.80 is: 123,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,906.90 : 173,860.35 = 82,445.80 : x
  2. Step 2: Convert to fraction form
    115,906.90/173,860.35 = 82,445.80/x
  3. Step 3: Cross multiply
    115,906.90x = 173,860.35 × 82,445.80
  4. Step 4: Simplify right side
    115,906.90x = 14,334,055,644.03
  5. Step 5: Solve for x
    x = 14,334,055,644.03/115,906.90
  6. Step 6: Final answer
    x = 123,668.70

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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.