Home / 105,431.41-158,129.46-46,251.19

Finding the Fourth Proportional to 105,431.41, 158,129.46 and 46,251.19

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Solution

The fourth proportional to 105,431.41, 158,129.46 and 46,251.19 is: 69,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,431.41 : 158,129.46 = 46,251.19 : x
  2. Step 2: Convert to fraction form
    105,431.41/158,129.46 = 46,251.19/x
  3. Step 3: Cross multiply
    105,431.41x = 158,129.46 × 46,251.19
  4. Step 4: Simplify right side
    105,431.41x = 7,313,675,699.06
  5. Step 5: Solve for x
    x = 7,313,675,699.06/105,431.41
  6. Step 6: Final answer
    x = 69,369.04

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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.