Home / 316,766.47-437,137.89-173,527.09

Finding the Fourth Proportional to 316,766.47, 437,137.89 and 173,527.09

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Solution

The fourth proportional to 316,766.47, 437,137.89 and 173,527.09 is: 239,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,766.47 : 437,137.89 = 173,527.09 : x
  2. Step 2: Convert to fraction form
    316,766.47/437,137.89 = 173,527.09/x
  3. Step 3: Cross multiply
    316,766.47x = 437,137.89 × 173,527.09
  4. Step 4: Simplify right side
    316,766.47x = 75,855,265,980.44
  5. Step 5: Solve for x
    x = 75,855,265,980.44/316,766.47
  6. Step 6: Final answer
    x = 239,467.47

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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.