Home / 134,419.75-201,642.18-39,650.02

Finding the Fourth Proportional to 134,419.75, 201,642.18 and 39,650.02

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Solution

The fourth proportional to 134,419.75, 201,642.18 and 39,650.02 is: 59,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,419.75 : 201,642.18 = 39,650.02 : x
  2. Step 2: Convert to fraction form
    134,419.75/201,642.18 = 39,650.02/x
  3. Step 3: Cross multiply
    134,419.75x = 201,642.18 × 39,650.02
  4. Step 4: Simplify right side
    134,419.75x = 7,995,116,469.84
  5. Step 5: Solve for x
    x = 7,995,116,469.84/134,419.75
  6. Step 6: Final answer
    x = 59,478.73

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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.