Home / 228,426.26-315,224.48-126,449.58

Finding the Fourth Proportional to 228,426.26, 315,224.48 and 126,449.58

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Solution

The fourth proportional to 228,426.26, 315,224.48 and 126,449.58 is: 174,498.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,426.26 : 315,224.48 = 126,449.58 : x
  2. Step 2: Convert to fraction form
    228,426.26/315,224.48 = 126,449.58/x
  3. Step 3: Cross multiply
    228,426.26x = 315,224.48 × 126,449.58
  4. Step 4: Simplify right side
    228,426.26x = 39,860,003,101.72
  5. Step 5: Solve for x
    x = 39,860,003,101.72/228,426.26
  6. Step 6: Final answer
    x = 174,498.34

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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.