Home / 148,493.43-222,751.08-43,315.20

Finding the Fourth Proportional to 148,493.43, 222,751.08 and 43,315.20

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Solution

The fourth proportional to 148,493.43, 222,751.08 and 43,315.20 is: 64,975.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,493.43 : 222,751.08 = 43,315.20 : x
  2. Step 2: Convert to fraction form
    148,493.43/222,751.08 = 43,315.20/x
  3. Step 3: Cross multiply
    148,493.43x = 222,751.08 × 43,315.20
  4. Step 4: Simplify right side
    148,493.43x = 9,648,507,580.42
  5. Step 5: Solve for x
    x = 9,648,507,580.42/148,493.43
  6. Step 6: Final answer
    x = 64,975.99

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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.