Home / 314,814.44-434,431.28-171,571.41

Finding the Fourth Proportional to 314,814.44, 434,431.28 and 171,571.41

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Solution

The fourth proportional to 314,814.44, 434,431.28 and 171,571.41 is: 236,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,814.44 : 434,431.28 = 171,571.41 : x
  2. Step 2: Convert to fraction form
    314,814.44/434,431.28 = 171,571.41/x
  3. Step 3: Cross multiply
    314,814.44x = 434,431.28 × 171,571.41
  4. Step 4: Simplify right side
    314,814.44x = 74,535,987,686.63
  5. Step 5: Solve for x
    x = 74,535,987,686.63/314,814.44
  6. Step 6: Final answer
    x = 236,761.65

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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.