Home / 223,173.36-307,983.96-122,570.64

Finding the Fourth Proportional to 223,173.36, 307,983.96 and 122,570.64

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Solution

The fourth proportional to 223,173.36, 307,983.96 and 122,570.64 is: 169,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,173.36 : 307,983.96 = 122,570.64 : x
  2. Step 2: Convert to fraction form
    223,173.36/307,983.96 = 122,570.64/x
  3. Step 3: Cross multiply
    223,173.36x = 307,983.96 × 122,570.64
  4. Step 4: Simplify right side
    223,173.36x = 37,749,791,086.93
  5. Step 5: Solve for x
    x = 37,749,791,086.93/223,173.36
  6. Step 6: Final answer
    x = 169,150.08

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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.