Home / 213,790.74-320,696.44-56,019.35

Finding the Fourth Proportional to 213,790.74, 320,696.44 and 56,019.35

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Solution

The fourth proportional to 213,790.74, 320,696.44 and 56,019.35 is: 84,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,790.74 : 320,696.44 = 56,019.35 : x
  2. Step 2: Convert to fraction form
    213,790.74/320,696.44 = 56,019.35/x
  3. Step 3: Cross multiply
    213,790.74x = 320,696.44 × 56,019.35
  4. Step 4: Simplify right side
    213,790.74x = 17,965,204,512.63
  5. Step 5: Solve for x
    x = 17,965,204,512.63/213,790.74
  6. Step 6: Final answer
    x = 84,031.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.