Home / 101,154.83-151,614.08-76,114.38

Finding the Fourth Proportional to 101,154.83, 151,614.08 and 76,114.38

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Solution

The fourth proportional to 101,154.83, 151,614.08 and 76,114.38 is: 114,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,154.83 : 151,614.08 = 76,114.38 : x
  2. Step 2: Convert to fraction form
    101,154.83/151,614.08 = 76,114.38/x
  3. Step 3: Cross multiply
    101,154.83x = 151,614.08 × 76,114.38
  4. Step 4: Simplify right side
    101,154.83x = 11,540,012,171.88
  5. Step 5: Solve for x
    x = 11,540,012,171.88/101,154.83
  6. Step 6: Final answer
    x = 114,082.67

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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.