Home / 146,639.89-219,961.32-46,807.12

Finding the Fourth Proportional to 146,639.89, 219,961.32 and 46,807.12

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Solution

The fourth proportional to 146,639.89, 219,961.32 and 46,807.12 is: 70,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,639.89 : 219,961.32 = 46,807.12 : x
  2. Step 2: Convert to fraction form
    146,639.89/219,961.32 = 46,807.12/x
  3. Step 3: Cross multiply
    146,639.89x = 219,961.32 × 46,807.12
  4. Step 4: Simplify right side
    146,639.89x = 10,295,755,900.60
  5. Step 5: Solve for x
    x = 10,295,755,900.60/146,639.89
  6. Step 6: Final answer
    x = 70,211.15

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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.