Home / 148,712.51-223,021.45-48,849.53

Finding the Fourth Proportional to 148,712.51, 223,021.45 and 48,849.53

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Solution

The fourth proportional to 148,712.51, 223,021.45 and 48,849.53 is: 73,258.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,712.51 : 223,021.45 = 48,849.53 : x
  2. Step 2: Convert to fraction form
    148,712.51/223,021.45 = 48,849.53/x
  3. Step 3: Cross multiply
    148,712.51x = 223,021.45 × 48,849.53
  4. Step 4: Simplify right side
    148,712.51x = 10,894,493,212.87
  5. Step 5: Solve for x
    x = 10,894,493,212.87/148,712.51
  6. Step 6: Final answer
    x = 73,258.76

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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.