Home / 316,515.48-436,791.35-173,275.52

Finding the Fourth Proportional to 316,515.48, 436,791.35 and 173,275.52

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Solution

The fourth proportional to 316,515.48, 436,791.35 and 173,275.52 is: 239,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,515.48 : 436,791.35 = 173,275.52 : x
  2. Step 2: Convert to fraction form
    316,515.48/436,791.35 = 173,275.52/x
  3. Step 3: Cross multiply
    316,515.48x = 436,791.35 × 173,275.52
  4. Step 4: Simplify right side
    316,515.48x = 75,685,247,436.37
  5. Step 5: Solve for x
    x = 75,685,247,436.37/316,515.48
  6. Step 6: Final answer
    x = 239,120.21

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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.