Home / 149,905.20-224,922.60-76,033.20

Finding the Fourth Proportional to 149,905.20, 224,922.60 and 76,033.20

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Solution

The fourth proportional to 149,905.20, 224,922.60 and 76,033.20 is: 114,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,905.20 : 224,922.60 = 76,033.20 : x
  2. Step 2: Convert to fraction form
    149,905.20/224,922.60 = 76,033.20/x
  3. Step 3: Cross multiply
    149,905.20x = 224,922.60 × 76,033.20
  4. Step 4: Simplify right side
    149,905.20x = 17,101,585,030.32
  5. Step 5: Solve for x
    x = 17,101,585,030.32/149,905.20
  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.