Home / 148,120.12-222,123.48-53,323.12

Finding the Fourth Proportional to 148,120.12, 222,123.48 and 53,323.12

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Solution

The fourth proportional to 148,120.12, 222,123.48 and 53,323.12 is: 79,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,120.12 : 222,123.48 = 53,323.12 : x
  2. Step 2: Convert to fraction form
    148,120.12/222,123.48 = 53,323.12/x
  3. Step 3: Cross multiply
    148,120.12x = 222,123.48 × 53,323.12
  4. Step 4: Simplify right side
    148,120.12x = 11,844,316,978.86
  5. Step 5: Solve for x
    x = 11,844,316,978.86/148,120.12
  6. Step 6: Final answer
    x = 79,964.27

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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.