Home / 226,403.26-312,416.16-124,427.60

Finding the Fourth Proportional to 226,403.26, 312,416.16 and 124,427.60

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Solution

The fourth proportional to 226,403.26, 312,416.16 and 124,427.60 is: 171,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,403.26 : 312,416.16 = 124,427.60 : x
  2. Step 2: Convert to fraction form
    226,403.26/312,416.16 = 124,427.60/x
  3. Step 3: Cross multiply
    226,403.26x = 312,416.16 × 124,427.60
  4. Step 4: Simplify right side
    226,403.26x = 38,873,192,990.02
  5. Step 5: Solve for x
    x = 38,873,192,990.02/226,403.26
  6. Step 6: Final answer
    x = 171,698.91

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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.