Home / 212,661.26-319,054.26-62,905.50

Finding the Fourth Proportional to 212,661.26, 319,054.26 and 62,905.50

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Solution

The fourth proportional to 212,661.26, 319,054.26 and 62,905.50 is: 94,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,661.26 : 319,054.26 = 62,905.50 : x
  2. Step 2: Convert to fraction form
    212,661.26/319,054.26 = 62,905.50/x
  3. Step 3: Cross multiply
    212,661.26x = 319,054.26 × 62,905.50
  4. Step 4: Simplify right side
    212,661.26x = 20,070,267,752.43
  5. Step 5: Solve for x
    x = 20,070,267,752.43/212,661.26
  6. Step 6: Final answer
    x = 94,376.70

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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.