Home / 198,023.84-273,184.32-117,454.76

Finding the Fourth Proportional to 198,023.84, 273,184.32 and 117,454.76

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Solution

The fourth proportional to 198,023.84, 273,184.32 and 117,454.76 is: 162,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,023.84 : 273,184.32 = 117,454.76 : x
  2. Step 2: Convert to fraction form
    198,023.84/273,184.32 = 117,454.76/x
  3. Step 3: Cross multiply
    198,023.84x = 273,184.32 × 117,454.76
  4. Step 4: Simplify right side
    198,023.84x = 32,086,798,741.36
  5. Step 5: Solve for x
    x = 32,086,798,741.36/198,023.84
  6. Step 6: Final answer
    x = 162,035.03

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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.