Home / 330,110.91-455,553.51-179,207.91

Finding the Fourth Proportional to 330,110.91, 455,553.51 and 179,207.91

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Solution

The fourth proportional to 330,110.91, 455,553.51 and 179,207.91 is: 247,307.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,110.91 : 455,553.51 = 179,207.91 : x
  2. Step 2: Convert to fraction form
    330,110.91/455,553.51 = 179,207.91/x
  3. Step 3: Cross multiply
    330,110.91x = 455,553.51 × 179,207.91
  4. Step 4: Simplify right side
    330,110.91x = 81,638,792,420.26
  5. Step 5: Solve for x
    x = 81,638,792,420.26/330,110.91
  6. Step 6: Final answer
    x = 247,307.16

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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.