Home / 135,618.28-203,436.38-46,880.36

Finding the Fourth Proportional to 135,618.28, 203,436.38 and 46,880.36

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Solution

The fourth proportional to 135,618.28, 203,436.38 and 46,880.36 is: 70,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,618.28 : 203,436.38 = 46,880.36 : x
  2. Step 2: Convert to fraction form
    135,618.28/203,436.38 = 46,880.36/x
  3. Step 3: Cross multiply
    135,618.28x = 203,436.38 × 46,880.36
  4. Step 4: Simplify right side
    135,618.28x = 9,537,170,731.50
  5. Step 5: Solve for x
    x = 9,537,170,731.50/135,618.28
  6. Step 6: Final answer
    x = 70,323.64

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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.