Home / 270,431.46-405,669.06-92,938.59

Finding the Fourth Proportional to 270,431.46, 405,669.06 and 92,938.59

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Solution

The fourth proportional to 270,431.46, 405,669.06 and 92,938.59 is: 139,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,431.46 : 405,669.06 = 92,938.59 : x
  2. Step 2: Convert to fraction form
    270,431.46/405,669.06 = 92,938.59/x
  3. Step 3: Cross multiply
    270,431.46x = 405,669.06 × 92,938.59
  4. Step 4: Simplify right side
    270,431.46x = 37,702,310,443.03
  5. Step 5: Solve for x
    x = 37,702,310,443.03/270,431.46
  6. Step 6: Final answer
    x = 139,415.40

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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.