Home / 209,804.22-289,533.06-114,310.89

Finding the Fourth Proportional to 209,804.22, 289,533.06 and 114,310.89

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Solution

The fourth proportional to 209,804.22, 289,533.06 and 114,310.89 is: 157,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,804.22 : 289,533.06 = 114,310.89 : x
  2. Step 2: Convert to fraction form
    209,804.22/289,533.06 = 114,310.89/x
  3. Step 3: Cross multiply
    209,804.22x = 289,533.06 × 114,310.89
  4. Step 4: Simplify right side
    209,804.22x = 33,096,781,773.02
  5. Step 5: Solve for x
    x = 33,096,781,773.02/209,804.22
  6. Step 6: Final answer
    x = 157,750.79

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1.5x scale

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.