Home / 158,861.68-219,174.32-101,534.56

Finding the Fourth Proportional to 158,861.68, 219,174.32 and 101,534.56

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Solution

The fourth proportional to 158,861.68, 219,174.32 and 101,534.56 is: 140,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,861.68 : 219,174.32 = 101,534.56 : x
  2. Step 2: Convert to fraction form
    158,861.68/219,174.32 = 101,534.56/x
  3. Step 3: Cross multiply
    158,861.68x = 219,174.32 × 101,534.56
  4. Step 4: Simplify right side
    158,861.68x = 22,253,768,144.50
  5. Step 5: Solve for x
    x = 22,253,768,144.50/158,861.68
  6. Step 6: Final answer
    x = 140,082.67

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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.