Home / 146,142.15-219,219.60-46,309.71

Finding the Fourth Proportional to 146,142.15, 219,219.60 and 46,309.71

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Solution

The fourth proportional to 146,142.15, 219,219.60 and 46,309.71 is: 69,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,142.15 : 219,219.60 = 46,309.71 : x
  2. Step 2: Convert to fraction form
    146,142.15/219,219.60 = 46,309.71/x
  3. Step 3: Cross multiply
    146,142.15x = 219,219.60 × 46,309.71
  4. Step 4: Simplify right side
    146,142.15x = 10,151,996,102.32
  5. Step 5: Solve for x
    x = 10,151,996,102.32/146,142.15
  6. Step 6: Final answer
    x = 69,466.59

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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.