Home / 319,719.08-441,018.68-190,571.50

Finding the Fourth Proportional to 319,719.08, 441,018.68 and 190,571.50

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Solution

The fourth proportional to 319,719.08, 441,018.68 and 190,571.50 is: 262,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,719.08 : 441,018.68 = 190,571.50 : x
  2. Step 2: Convert to fraction form
    319,719.08/441,018.68 = 190,571.50/x
  3. Step 3: Cross multiply
    319,719.08x = 441,018.68 × 190,571.50
  4. Step 4: Simplify right side
    319,719.08x = 84,045,590,974.04
  5. Step 5: Solve for x
    x = 84,045,590,974.04/319,719.08
  6. Step 6: Final answer
    x = 262,873.24

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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.