Home / 316,662.24-436,977.66-173,394.60

Finding the Fourth Proportional to 316,662.24, 436,977.66 and 173,394.60

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Solution

The fourth proportional to 316,662.24, 436,977.66 and 173,394.60 is: 239,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,662.24 : 436,977.66 = 173,394.60 : x
  2. Step 2: Convert to fraction form
    316,662.24/436,977.66 = 173,394.60/x
  3. Step 3: Cross multiply
    316,662.24x = 436,977.66 × 173,394.60
  4. Step 4: Simplify right side
    316,662.24x = 75,769,566,564.64
  5. Step 5: Solve for x
    x = 75,769,566,564.64/316,662.24
  6. Step 6: Final answer
    x = 239,275.66

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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.