Home / 223,199.03-308,016.90-121,225.45

Finding the Fourth Proportional to 223,199.03, 308,016.90 and 121,225.45

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Solution

The fourth proportional to 223,199.03, 308,016.90 and 121,225.45 is: 167,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,199.03 : 308,016.90 = 121,225.45 : x
  2. Step 2: Convert to fraction form
    223,199.03/308,016.90 = 121,225.45/x
  3. Step 3: Cross multiply
    223,199.03x = 308,016.90 × 121,225.45
  4. Step 4: Simplify right side
    223,199.03x = 37,339,485,163.89
  5. Step 5: Solve for x
    x = 37,339,485,163.89/223,199.03
  6. Step 6: Final answer
    x = 167,292.33

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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.