Home / 146,221.68-219,340.32-46,389.86

Finding the Fourth Proportional to 146,221.68, 219,340.32 and 46,389.86

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Solution

The fourth proportional to 146,221.68, 219,340.32 and 46,389.86 is: 69,587.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,221.68 : 219,340.32 = 46,389.86 : x
  2. Step 2: Convert to fraction form
    146,221.68/219,340.32 = 46,389.86/x
  3. Step 3: Cross multiply
    146,221.68x = 219,340.32 × 46,389.86
  4. Step 4: Simplify right side
    146,221.68x = 10,175,166,737.16
  5. Step 5: Solve for x
    x = 10,175,166,737.16/146,221.68
  6. Step 6: Final answer
    x = 69,587.26

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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.