Home / 347,860.83-521,890.88-170,419.80

Finding the Fourth Proportional to 347,860.83, 521,890.88 and 170,419.80

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Solution

The fourth proportional to 347,860.83, 521,890.88 and 170,419.80 is: 255,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,860.83 : 521,890.88 = 170,419.80 : x
  2. Step 2: Convert to fraction form
    347,860.83/521,890.88 = 170,419.80/x
  3. Step 3: Cross multiply
    347,860.83x = 521,890.88 × 170,419.80
  4. Step 4: Simplify right side
    347,860.83x = 88,940,538,539.33
  5. Step 5: Solve for x
    x = 88,940,538,539.33/347,860.83
  6. Step 6: Final answer
    x = 255,678.51

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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.