Home / 226,289.28-312,287.04-125,696.64

Finding the Fourth Proportional to 226,289.28, 312,287.04 and 125,696.64

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Solution

The fourth proportional to 226,289.28, 312,287.04 and 125,696.64 is: 173,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,289.28 : 312,287.04 = 125,696.64 : x
  2. Step 2: Convert to fraction form
    226,289.28/312,287.04 = 125,696.64/x
  3. Step 3: Cross multiply
    226,289.28x = 312,287.04 × 125,696.64
  4. Step 4: Simplify right side
    226,289.28x = 39,253,431,643.55
  5. Step 5: Solve for x
    x = 39,253,431,643.55/226,289.28
  6. Step 6: Final answer
    x = 173,465.71

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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.