Home / 111,184.31-166,601.82-85,945.67

Finding the Fourth Proportional to 111,184.31, 166,601.82 and 85,945.67

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Solution

The fourth proportional to 111,184.31, 166,601.82 and 85,945.67 is: 128,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,184.31 : 166,601.82 = 85,945.67 : x
  2. Step 2: Convert to fraction form
    111,184.31/166,601.82 = 85,945.67/x
  3. Step 3: Cross multiply
    111,184.31x = 166,601.82 × 85,945.67
  4. Step 4: Simplify right side
    111,184.31x = 14,318,705,157.16
  5. Step 5: Solve for x
    x = 14,318,705,157.16/111,184.31
  6. Step 6: Final answer
    x = 128,783.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.