Home / 228,209.36-314,904.68-126,218.60

Finding the Fourth Proportional to 228,209.36, 314,904.68 and 126,218.60

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Solution

The fourth proportional to 228,209.36, 314,904.68 and 126,218.60 is: 174,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,209.36 : 314,904.68 = 126,218.60 : x
  2. Step 2: Convert to fraction form
    228,209.36/314,904.68 = 126,218.60/x
  3. Step 3: Cross multiply
    228,209.36x = 314,904.68 × 126,218.60
  4. Step 4: Simplify right side
    228,209.36x = 39,746,827,843.05
  5. Step 5: Solve for x
    x = 39,746,827,843.05/228,209.36
  6. Step 6: Final answer
    x = 174,168.26

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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.