Home / 146,289.37-219,371.74-57,480.57

Finding the Fourth Proportional to 146,289.37, 219,371.74 and 57,480.57

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Solution

The fourth proportional to 146,289.37, 219,371.74 and 57,480.57 is: 86,196.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,289.37 : 219,371.74 = 57,480.57 : x
  2. Step 2: Convert to fraction form
    146,289.37/219,371.74 = 57,480.57/x
  3. Step 3: Cross multiply
    146,289.37x = 219,371.74 × 57,480.57
  4. Step 4: Simplify right side
    146,289.37x = 12,609,613,762.19
  5. Step 5: Solve for x
    x = 12,609,613,762.19/146,289.37
  6. Step 6: Final answer
    x = 86,196.38

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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.