Home / 219,161.03-328,889.16-86,025.51

Finding the Fourth Proportional to 219,161.03, 328,889.16 and 86,025.51

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Solution

The fourth proportional to 219,161.03, 328,889.16 and 86,025.51 is: 129,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,161.03 : 328,889.16 = 86,025.51 : x
  2. Step 2: Convert to fraction form
    219,161.03/328,889.16 = 86,025.51/x
  3. Step 3: Cross multiply
    219,161.03x = 328,889.16 × 86,025.51
  4. Step 4: Simplify right side
    219,161.03x = 28,292,857,722.47
  5. Step 5: Solve for x
    x = 28,292,857,722.47/219,161.03
  6. Step 6: Final answer
    x = 129,096.21

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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.