Home / 219,588.16-303,015.73-121,467.25

Finding the Fourth Proportional to 219,588.16, 303,015.73 and 121,467.25

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Solution

The fourth proportional to 219,588.16, 303,015.73 and 121,467.25 is: 167,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,588.16 : 303,015.73 = 121,467.25 : x
  2. Step 2: Convert to fraction form
    219,588.16/303,015.73 = 121,467.25/x
  3. Step 3: Cross multiply
    219,588.16x = 303,015.73 × 121,467.25
  4. Step 4: Simplify right side
    219,588.16x = 36,806,487,429.84
  5. Step 5: Solve for x
    x = 36,806,487,429.84/219,588.16
  6. Step 6: Final answer
    x = 167,615.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.