Home / 148,509.40-222,764.10-143,260.60

Finding the Fourth Proportional to 148,509.40, 222,764.10 and 143,260.60

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Solution

The fourth proportional to 148,509.40, 222,764.10 and 143,260.60 is: 214,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,509.40 : 222,764.10 = 143,260.60 : x
  2. Step 2: Convert to fraction form
    148,509.40/222,764.10 = 143,260.60/x
  3. Step 3: Cross multiply
    148,509.40x = 222,764.10 × 143,260.60
  4. Step 4: Simplify right side
    148,509.40x = 31,913,318,624.46
  5. Step 5: Solve for x
    x = 31,913,318,624.46/148,509.40
  6. Step 6: Final answer
    x = 214,890.90

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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.