Home / 223,016.05-307,762.44-121,041.51

Finding the Fourth Proportional to 223,016.05, 307,762.44 and 121,041.51

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Solution

The fourth proportional to 223,016.05, 307,762.44 and 121,041.51 is: 167,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,016.05 : 307,762.44 = 121,041.51 : x
  2. Step 2: Convert to fraction form
    223,016.05/307,762.44 = 121,041.51/x
  3. Step 3: Cross multiply
    223,016.05x = 307,762.44 × 121,041.51
  4. Step 4: Simplify right side
    223,016.05x = 37,252,030,458.88
  5. Step 5: Solve for x
    x = 37,252,030,458.88/223,016.05
  6. Step 6: Final answer
    x = 167,037.44

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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.