Home / 193,854.20-267,505.55-117,415.72

Finding the Fourth Proportional to 193,854.20, 267,505.55 and 117,415.72

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Solution

The fourth proportional to 193,854.20, 267,505.55 and 117,415.72 is: 162,025.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,854.20 : 267,505.55 = 117,415.72 : x
  2. Step 2: Convert to fraction form
    193,854.20/267,505.55 = 117,415.72/x
  3. Step 3: Cross multiply
    193,854.20x = 267,505.55 × 117,415.72
  4. Step 4: Simplify right side
    193,854.20x = 31,409,356,757.25
  5. Step 5: Solve for x
    x = 31,409,356,757.25/193,854.20
  6. Step 6: Final answer
    x = 162,025.67

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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.