Home / 140,883.57-194,418.18-77,221.23

Finding the Fourth Proportional to 140,883.57, 194,418.18 and 77,221.23

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Solution

The fourth proportional to 140,883.57, 194,418.18 and 77,221.23 is: 106,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,883.57 : 194,418.18 = 77,221.23 : x
  2. Step 2: Convert to fraction form
    140,883.57/194,418.18 = 77,221.23/x
  3. Step 3: Cross multiply
    140,883.57x = 194,418.18 × 77,221.23
  4. Step 4: Simplify right side
    140,883.57x = 15,013,210,993.96
  5. Step 5: Solve for x
    x = 15,013,210,993.96/140,883.57
  6. Step 6: Final answer
    x = 106,564.67

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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.