Home / 105,464.88-158,140.62-46,231.74

Finding the Fourth Proportional to 105,464.88, 158,140.62 and 46,231.74

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Solution

The fourth proportional to 105,464.88, 158,140.62 and 46,231.74 is: 69,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,464.88 : 158,140.62 = 46,231.74 : x
  2. Step 2: Convert to fraction form
    105,464.88/158,140.62 = 46,231.74/x
  3. Step 3: Cross multiply
    105,464.88x = 158,140.62 × 46,231.74
  4. Step 4: Simplify right side
    105,464.88x = 7,311,116,027.28
  5. Step 5: Solve for x
    x = 7,311,116,027.28/105,464.88
  6. Step 6: Final answer
    x = 69,322.75

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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.