Home / 223,438.27-308,338.33-126,651.05

Finding the Fourth Proportional to 223,438.27, 308,338.33 and 126,651.05

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Solution

The fourth proportional to 223,438.27, 308,338.33 and 126,651.05 is: 174,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,438.27 : 308,338.33 = 126,651.05 : x
  2. Step 2: Convert to fraction form
    223,438.27/308,338.33 = 126,651.05/x
  3. Step 3: Cross multiply
    223,438.27x = 308,338.33 × 126,651.05
  4. Step 4: Simplify right side
    223,438.27x = 39,051,373,249.75
  5. Step 5: Solve for x
    x = 39,051,373,249.75/223,438.27
  6. Step 6: Final answer
    x = 174,774.77

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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.