Home / 103,651.28-155,476.39-89,568.52

Finding the Fourth Proportional to 103,651.28, 155,476.39 and 89,568.52

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Solution

The fourth proportional to 103,651.28, 155,476.39 and 89,568.52 is: 134,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,651.28 : 155,476.39 = 89,568.52 : x
  2. Step 2: Convert to fraction form
    103,651.28/155,476.39 = 89,568.52/x
  3. Step 3: Cross multiply
    103,651.28x = 155,476.39 × 89,568.52
  4. Step 4: Simplify right side
    103,651.28x = 13,925,790,147.24
  5. Step 5: Solve for x
    x = 13,925,790,147.24/103,651.28
  6. Step 6: Final answer
    x = 134,352.32

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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.