Home / 135,515.21-203,300.08-46,772.15

Finding the Fourth Proportional to 135,515.21, 203,300.08 and 46,772.15

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Solution

The fourth proportional to 135,515.21, 203,300.08 and 46,772.15 is: 70,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,515.21 : 203,300.08 = 46,772.15 : x
  2. Step 2: Convert to fraction form
    135,515.21/203,300.08 = 46,772.15/x
  3. Step 3: Cross multiply
    135,515.21x = 203,300.08 × 46,772.15
  4. Step 4: Simplify right side
    135,515.21x = 9,508,780,703.34
  5. Step 5: Solve for x
    x = 9,508,780,703.34/135,515.21
  6. Step 6: Final answer
    x = 70,167.63

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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.