Home / 167,921.22-251,980.24-120,485.19

Finding the Fourth Proportional to 167,921.22, 251,980.24 and 120,485.19

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Solution

The fourth proportional to 167,921.22, 251,980.24 and 120,485.19 is: 180,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,921.22 : 251,980.24 = 120,485.19 : x
  2. Step 2: Convert to fraction form
    167,921.22/251,980.24 = 120,485.19/x
  3. Step 3: Cross multiply
    167,921.22x = 251,980.24 × 120,485.19
  4. Step 4: Simplify right side
    167,921.22x = 30,359,885,983.35
  5. Step 5: Solve for x
    x = 30,359,885,983.35/167,921.22
  6. Step 6: Final answer
    x = 180,798.39

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1.5x scale

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.