Home / 147,245.36-220,903.32-47,414.94

Finding the Fourth Proportional to 147,245.36, 220,903.32 and 47,414.94

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Solution

The fourth proportional to 147,245.36, 220,903.32 and 47,414.94 is: 71,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,245.36 : 220,903.32 = 47,414.94 : x
  2. Step 2: Convert to fraction form
    147,245.36/220,903.32 = 47,414.94/x
  3. Step 3: Cross multiply
    147,245.36x = 220,903.32 × 47,414.94
  4. Step 4: Simplify right side
    147,245.36x = 10,474,117,663.60
  5. Step 5: Solve for x
    x = 10,474,117,663.60/147,245.36
  6. Step 6: Final answer
    x = 71,133.77

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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.