Home / 216,650.85-298,969.19-118,533.61

Finding the Fourth Proportional to 216,650.85, 298,969.19 and 118,533.61

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Solution

The fourth proportional to 216,650.85, 298,969.19 and 118,533.61 is: 163,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,650.85 : 298,969.19 = 118,533.61 : x
  2. Step 2: Convert to fraction form
    216,650.85/298,969.19 = 118,533.61/x
  3. Step 3: Cross multiply
    216,650.85x = 298,969.19 × 118,533.61
  4. Step 4: Simplify right side
    216,650.85x = 35,437,897,369.48
  5. Step 5: Solve for x
    x = 35,437,897,369.48/216,650.85
  6. Step 6: Final answer
    x = 163,571.47

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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.