Home / 227,467.03-313,803-131,918.35

Finding the Fourth Proportional to 227,467.03, 313,803 and 131,918.35

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Solution

The fourth proportional to 227,467.03, 313,803 and 131,918.35 is: 181,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,467.03 : 313,803 = 131,918.35 : x
  2. Step 2: Convert to fraction form
    227,467.03/313,803 = 131,918.35/x
  3. Step 3: Cross multiply
    227,467.03x = 313,803 × 131,918.35
  4. Step 4: Simplify right side
    227,467.03x = 41,396,373,985.05
  5. Step 5: Solve for x
    x = 41,396,373,985.05/227,467.03
  6. Step 6: Final answer
    x = 181,988.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.