Home / 106,561.28-160,023.36-102,103.04

Finding the Fourth Proportional to 106,561.28, 160,023.36 and 102,103.04

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Solution

The fourth proportional to 106,561.28, 160,023.36 and 102,103.04 is: 153,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,561.28 : 160,023.36 = 102,103.04 : x
  2. Step 2: Convert to fraction form
    106,561.28/160,023.36 = 102,103.04/x
  3. Step 3: Cross multiply
    106,561.28x = 160,023.36 × 102,103.04
  4. Step 4: Simplify right side
    106,561.28x = 16,338,871,527.01
  5. Step 5: Solve for x
    x = 16,338,871,527.01/106,561.28
  6. Step 6: Final answer
    x = 153,328.41

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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.