Home / 198,011.22-273,155.73-141,455.40

Finding the Fourth Proportional to 198,011.22, 273,155.73 and 141,455.40

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Solution

The fourth proportional to 198,011.22, 273,155.73 and 141,455.40 is: 195,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,011.22 : 273,155.73 = 141,455.40 : x
  2. Step 2: Convert to fraction form
    198,011.22/273,155.73 = 141,455.40/x
  3. Step 3: Cross multiply
    198,011.22x = 273,155.73 × 141,455.40
  4. Step 4: Simplify right side
    198,011.22x = 38,639,353,049.44
  5. Step 5: Solve for x
    x = 38,639,353,049.44/198,011.22
  6. Step 6: Final answer
    x = 195,137.19

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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.