Home / 193,027.94-289,470.75-66,636.02

Finding the Fourth Proportional to 193,027.94, 289,470.75 and 66,636.02

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Solution

The fourth proportional to 193,027.94, 289,470.75 and 66,636.02 is: 99,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,027.94 : 289,470.75 = 66,636.02 : x
  2. Step 2: Convert to fraction form
    193,027.94/289,470.75 = 66,636.02/x
  3. Step 3: Cross multiply
    193,027.94x = 289,470.75 × 66,636.02
  4. Step 4: Simplify right side
    193,027.94x = 19,289,178,686.42
  5. Step 5: Solve for x
    x = 19,289,178,686.42/193,027.94
  6. Step 6: Final answer
    x = 99,929.46

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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.