Home / 139,549.24-192,583.02-79,944.76

Finding the Fourth Proportional to 139,549.24, 192,583.02 and 79,944.76

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Solution

The fourth proportional to 139,549.24, 192,583.02 and 79,944.76 is: 110,326.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,549.24 : 192,583.02 = 79,944.76 : x
  2. Step 2: Convert to fraction form
    139,549.24/192,583.02 = 79,944.76/x
  3. Step 3: Cross multiply
    139,549.24x = 192,583.02 × 79,944.76
  4. Step 4: Simplify right side
    139,549.24x = 15,396,003,313.98
  5. Step 5: Solve for x
    x = 15,396,003,313.98/139,549.24
  6. Step 6: Final answer
    x = 110,326.67

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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.