Home / 105,447.39-158,171.09-46,283.58

Finding the Fourth Proportional to 105,447.39, 158,171.09 and 46,283.58

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Solution

The fourth proportional to 105,447.39, 158,171.09 and 46,283.58 is: 69,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,447.39 : 158,171.09 = 46,283.58 : x
  2. Step 2: Convert to fraction form
    105,447.39/158,171.09 = 46,283.58/x
  3. Step 3: Cross multiply
    105,447.39x = 158,171.09 × 46,283.58
  4. Step 4: Simplify right side
    105,447.39x = 7,320,723,506.85
  5. Step 5: Solve for x
    x = 7,320,723,506.85/105,447.39
  6. Step 6: Final answer
    x = 69,425.36

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1.5x scale

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.