Home / 148,583.90-222,666.17-115,147.51

Finding the Fourth Proportional to 148,583.90, 222,666.17 and 115,147.51

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Solution

The fourth proportional to 148,583.90, 222,666.17 and 115,147.51 is: 172,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,583.90 : 222,666.17 = 115,147.51 : x
  2. Step 2: Convert to fraction form
    148,583.90/222,666.17 = 115,147.51/x
  3. Step 3: Cross multiply
    148,583.90x = 222,666.17 × 115,147.51
  4. Step 4: Simplify right side
    148,583.90x = 25,639,453,904.33
  5. Step 5: Solve for x
    x = 25,639,453,904.33/148,583.90
  6. Step 6: Final answer
    x = 172,558.76

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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.