Home / 103,153.26-154,452-67,526.22

Finding the Fourth Proportional to 103,153.26, 154,452 and 67,526.22

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Solution

The fourth proportional to 103,153.26, 154,452 and 67,526.22 is: 101,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,153.26 : 154,452 = 67,526.22 : x
  2. Step 2: Convert to fraction form
    103,153.26/154,452 = 67,526.22/x
  3. Step 3: Cross multiply
    103,153.26x = 154,452 × 67,526.22
  4. Step 4: Simplify right side
    103,153.26x = 10,429,559,731.44
  5. Step 5: Solve for x
    x = 10,429,559,731.44/103,153.26
  6. Step 6: Final answer
    x = 101,107.42

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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.