Home / 198,188.37-273,385.56-126,487.57

Finding the Fourth Proportional to 198,188.37, 273,385.56 and 126,487.57

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Solution

The fourth proportional to 198,188.37, 273,385.56 and 126,487.57 is: 174,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,188.37 : 273,385.56 = 126,487.57 : x
  2. Step 2: Convert to fraction form
    198,188.37/273,385.56 = 126,487.57/x
  3. Step 3: Cross multiply
    198,188.37x = 273,385.56 × 126,487.57
  4. Step 4: Simplify right side
    198,188.37x = 34,579,875,157.49
  5. Step 5: Solve for x
    x = 34,579,875,157.49/198,188.37
  6. Step 6: Final answer
    x = 174,479.84

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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.