Home / 223,021.65-307,774.47-126,225.50

Finding the Fourth Proportional to 223,021.65, 307,774.47 and 126,225.50

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Solution

The fourth proportional to 223,021.65, 307,774.47 and 126,225.50 is: 174,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,021.65 : 307,774.47 = 126,225.50 : x
  2. Step 2: Convert to fraction form
    223,021.65/307,774.47 = 126,225.50/x
  3. Step 3: Cross multiply
    223,021.65x = 307,774.47 × 126,225.50
  4. Step 4: Simplify right side
    223,021.65x = 38,848,986,205.20
  5. Step 5: Solve for x
    x = 38,848,986,205.20/223,021.65
  6. Step 6: Final answer
    x = 174,193.79

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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.