Home / 104,720.26-155,895.90-104,097.48

Finding the Fourth Proportional to 104,720.26, 155,895.90 and 104,097.48

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Solution

The fourth proportional to 104,720.26, 155,895.90 and 104,097.48 is: 154,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,720.26 : 155,895.90 = 104,097.48 : x
  2. Step 2: Convert to fraction form
    104,720.26/155,895.90 = 104,097.48/x
  3. Step 3: Cross multiply
    104,720.26x = 155,895.90 × 104,097.48
  4. Step 4: Simplify right side
    104,720.26x = 16,228,370,332.33
  5. Step 5: Solve for x
    x = 16,228,370,332.33/104,720.26
  6. Step 6: Final answer
    x = 154,968.77

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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.