Home / 193,154.63-289,633.52-80,804.39

Finding the Fourth Proportional to 193,154.63, 289,633.52 and 80,804.39

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Solution

The fourth proportional to 193,154.63, 289,633.52 and 80,804.39 is: 121,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,154.63 : 289,633.52 = 80,804.39 : x
  2. Step 2: Convert to fraction form
    193,154.63/289,633.52 = 80,804.39/x
  3. Step 3: Cross multiply
    193,154.63x = 289,633.52 × 80,804.39
  4. Step 4: Simplify right side
    193,154.63x = 23,403,658,661.00
  5. Step 5: Solve for x
    x = 23,403,658,661.00/193,154.63
  6. Step 6: Final answer
    x = 121,165.41

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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.