Home / 107,438.12-148,273.43-69,277.11

Finding the Fourth Proportional to 107,438.12, 148,273.43 and 69,277.11

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Solution

The fourth proportional to 107,438.12, 148,273.43 and 69,277.11 is: 95,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,438.12 : 148,273.43 = 69,277.11 : x
  2. Step 2: Convert to fraction form
    107,438.12/148,273.43 = 69,277.11/x
  3. Step 3: Cross multiply
    107,438.12x = 148,273.43 × 69,277.11
  4. Step 4: Simplify right side
    107,438.12x = 10,271,954,373.80
  5. Step 5: Solve for x
    x = 10,271,954,373.80/107,438.12
  6. Step 6: Final answer
    x = 95,608.10

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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.