Home / 148,242.42-222,283.62-76,989.27

Finding the Fourth Proportional to 148,242.42, 222,283.62 and 76,989.27

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Solution

The fourth proportional to 148,242.42, 222,283.62 and 76,989.27 is: 115,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,242.42 : 222,283.62 = 76,989.27 : x
  2. Step 2: Convert to fraction form
    148,242.42/222,283.62 = 76,989.27/x
  3. Step 3: Cross multiply
    148,242.42x = 222,283.62 × 76,989.27
  4. Step 4: Simplify right side
    148,242.42x = 17,113,453,636.76
  5. Step 5: Solve for x
    x = 17,113,453,636.76/148,242.42
  6. Step 6: Final answer
    x = 115,442.35

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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.