Home / 316,527.57-436,805.94-173,290.02

Finding the Fourth Proportional to 316,527.57, 436,805.94 and 173,290.02

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Solution

The fourth proportional to 316,527.57, 436,805.94 and 173,290.02 is: 239,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,527.57 : 436,805.94 = 173,290.02 : x
  2. Step 2: Convert to fraction form
    316,527.57/436,805.94 = 173,290.02/x
  3. Step 3: Cross multiply
    316,527.57x = 436,805.94 × 173,290.02
  4. Step 4: Simplify right side
    316,527.57x = 75,694,110,078.72
  5. Step 5: Solve for x
    x = 75,694,110,078.72/316,527.57
  6. Step 6: Final answer
    x = 239,139.07

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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.