Home / 228,310.48-315,060.33-126,334.18

Finding the Fourth Proportional to 228,310.48, 315,060.33 and 126,334.18

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Solution

The fourth proportional to 228,310.48, 315,060.33 and 126,334.18 is: 174,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,310.48 : 315,060.33 = 126,334.18 : x
  2. Step 2: Convert to fraction form
    228,310.48/315,060.33 = 126,334.18/x
  3. Step 3: Cross multiply
    228,310.48x = 315,060.33 × 126,334.18
  4. Step 4: Simplify right side
    228,310.48x = 39,802,888,441.08
  5. Step 5: Solve for x
    x = 39,802,888,441.08/228,310.48
  6. Step 6: Final answer
    x = 174,336.67

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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.