Home / 213,630.24-320,463.65-55,858.44

Finding the Fourth Proportional to 213,630.24, 320,463.65 and 55,858.44

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Solution

The fourth proportional to 213,630.24, 320,463.65 and 55,858.44 is: 83,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,630.24 : 320,463.65 = 55,858.44 : x
  2. Step 2: Convert to fraction form
    213,630.24/320,463.65 = 55,858.44/x
  3. Step 3: Cross multiply
    213,630.24x = 320,463.65 × 55,858.44
  4. Step 4: Simplify right side
    213,630.24x = 17,900,599,565.71
  5. Step 5: Solve for x
    x = 17,900,599,565.71/213,630.24
  6. Step 6: Final answer
    x = 83,792.44

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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.