Home / 219,099.48-302,371.11-123,571.32

Finding the Fourth Proportional to 219,099.48, 302,371.11 and 123,571.32

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Solution

The fourth proportional to 219,099.48, 302,371.11 and 123,571.32 is: 170,536.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,099.48 : 302,371.11 = 123,571.32 : x
  2. Step 2: Convert to fraction form
    219,099.48/302,371.11 = 123,571.32/x
  3. Step 3: Cross multiply
    219,099.48x = 302,371.11 × 123,571.32
  4. Step 4: Simplify right side
    219,099.48x = 37,364,397,192.57
  5. Step 5: Solve for x
    x = 37,364,397,192.57/219,099.48
  6. Step 6: Final answer
    x = 170,536.22

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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.