Home / 198,450.15-273,853.35-117,875.54

Finding the Fourth Proportional to 198,450.15, 273,853.35 and 117,875.54

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Solution

The fourth proportional to 198,450.15, 273,853.35 and 117,875.54 is: 162,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,450.15 : 273,853.35 = 117,875.54 : x
  2. Step 2: Convert to fraction form
    198,450.15/273,853.35 = 117,875.54/x
  3. Step 3: Cross multiply
    198,450.15x = 273,853.35 × 117,875.54
  4. Step 4: Simplify right side
    198,450.15x = 32,280,610,142.79
  5. Step 5: Solve for x
    x = 32,280,610,142.79/198,450.15
  6. Step 6: Final answer
    x = 162,663.57

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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.