Home / 228,209.30-314,904.60-126,218.55

Finding the Fourth Proportional to 228,209.30, 314,904.60 and 126,218.55

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Solution

The fourth proportional to 228,209.30, 314,904.60 and 126,218.55 is: 174,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,209.30 : 314,904.60 = 126,218.55 : x
  2. Step 2: Convert to fraction form
    228,209.30/314,904.60 = 126,218.55/x
  3. Step 3: Cross multiply
    228,209.30x = 314,904.60 × 126,218.55
  4. Step 4: Simplify right side
    228,209.30x = 39,746,802,000.33
  5. Step 5: Solve for x
    x = 39,746,802,000.33/228,209.30
  6. Step 6: Final answer
    x = 174,168.20

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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.