Home / 205,670.26-283,845.90-125,103.34

Finding the Fourth Proportional to 205,670.26, 283,845.90 and 125,103.34

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Solution

The fourth proportional to 205,670.26, 283,845.90 and 125,103.34 is: 172,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,670.26 : 283,845.90 = 125,103.34 : x
  2. Step 2: Convert to fraction form
    205,670.26/283,845.90 = 125,103.34/x
  3. Step 3: Cross multiply
    205,670.26x = 283,845.90 × 125,103.34
  4. Step 4: Simplify right side
    205,670.26x = 35,510,070,135.31
  5. Step 5: Solve for x
    x = 35,510,070,135.31/205,670.26
  6. Step 6: Final answer
    x = 172,655.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.