Home / 107,438.54-148,145.66-73,452.56

Finding the Fourth Proportional to 107,438.54, 148,145.66 and 73,452.56

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Solution

The fourth proportional to 107,438.54, 148,145.66 and 73,452.56 is: 101,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,438.54 : 148,145.66 = 73,452.56 : x
  2. Step 2: Convert to fraction form
    107,438.54/148,145.66 = 73,452.56/x
  3. Step 3: Cross multiply
    107,438.54x = 148,145.66 × 73,452.56
  4. Step 4: Simplify right side
    107,438.54x = 10,881,677,979.89
  5. Step 5: Solve for x
    x = 10,881,677,979.89/107,438.54
  6. Step 6: Final answer
    x = 101,282.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.