Home / 219,538.89-302,969.66-124,043.67

Finding the Fourth Proportional to 219,538.89, 302,969.66 and 124,043.67

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Solution

The fourth proportional to 219,538.89, 302,969.66 and 124,043.67 is: 171,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,538.89 : 302,969.66 = 124,043.67 : x
  2. Step 2: Convert to fraction form
    219,538.89/302,969.66 = 124,043.67/x
  3. Step 3: Cross multiply
    219,538.89x = 302,969.66 × 124,043.67
  4. Step 4: Simplify right side
    219,538.89x = 37,581,467,904.83
  5. Step 5: Solve for x
    x = 37,581,467,904.83/219,538.89
  6. Step 6: Final answer
    x = 171,183.65

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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.