Home / 164,556.90-227,088.36-89,105.40

Finding the Fourth Proportional to 164,556.90, 227,088.36 and 89,105.40

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Solution

The fourth proportional to 164,556.90, 227,088.36 and 89,105.40 is: 122,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,556.90 : 227,088.36 = 89,105.40 : x
  2. Step 2: Convert to fraction form
    164,556.90/227,088.36 = 89,105.40/x
  3. Step 3: Cross multiply
    164,556.90x = 227,088.36 × 89,105.40
  4. Step 4: Simplify right side
    164,556.90x = 20,234,799,153.14
  5. Step 5: Solve for x
    x = 20,234,799,153.14/164,556.90
  6. Step 6: Final answer
    x = 122,965.36

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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.