Home / 213,328.89-294,390.87-116,531.59

Finding the Fourth Proportional to 213,328.89, 294,390.87 and 116,531.59

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Solution

The fourth proportional to 213,328.89, 294,390.87 and 116,531.59 is: 160,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,328.89 : 294,390.87 = 116,531.59 : x
  2. Step 2: Convert to fraction form
    213,328.89/294,390.87 = 116,531.59/x
  3. Step 3: Cross multiply
    213,328.89x = 294,390.87 × 116,531.59
  4. Step 4: Simplify right side
    213,328.89x = 34,305,836,162.58
  5. Step 5: Solve for x
    x = 34,305,836,162.58/213,328.89
  6. Step 6: Final answer
    x = 160,811.96

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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.