Home / 103,629.90-154,688.24-88,933.26

Finding the Fourth Proportional to 103,629.90, 154,688.24 and 88,933.26

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Solution

The fourth proportional to 103,629.90, 154,688.24 and 88,933.26 is: 132,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.90 : 154,688.24 = 88,933.26 : x
  2. Step 2: Convert to fraction form
    103,629.90/154,688.24 = 88,933.26/x
  3. Step 3: Cross multiply
    103,629.90x = 154,688.24 × 88,933.26
  4. Step 4: Simplify right side
    103,629.90x = 13,756,929,466.86
  5. Step 5: Solve for x
    x = 13,756,929,466.86/103,629.90
  6. Step 6: Final answer
    x = 132,750.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.