Home / 148,261.86-222,172.88-77,927.94

Finding the Fourth Proportional to 148,261.86, 222,172.88 and 77,927.94

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Solution

The fourth proportional to 148,261.86, 222,172.88 and 77,927.94 is: 116,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,261.86 : 222,172.88 = 77,927.94 : x
  2. Step 2: Convert to fraction form
    148,261.86/222,172.88 = 77,927.94/x
  3. Step 3: Cross multiply
    148,261.86x = 222,172.88 × 77,927.94
  4. Step 4: Simplify right side
    148,261.86x = 17,313,474,472.63
  5. Step 5: Solve for x
    x = 17,313,474,472.63/148,261.86
  6. Step 6: Final answer
    x = 116,776.32

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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.