Home / 135,647.94-203,406.30-46,870.32

Finding the Fourth Proportional to 135,647.94, 203,406.30 and 46,870.32

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Solution

The fourth proportional to 135,647.94, 203,406.30 and 46,870.32 is: 70,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,647.94 : 203,406.30 = 46,870.32 : x
  2. Step 2: Convert to fraction form
    135,647.94/203,406.30 = 46,870.32/x
  3. Step 3: Cross multiply
    135,647.94x = 203,406.30 × 46,870.32
  4. Step 4: Simplify right side
    135,647.94x = 9,533,718,371.02
  5. Step 5: Solve for x
    x = 9,533,718,371.02/135,647.94
  6. Step 6: Final answer
    x = 70,282.81

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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.