Home / 213,836.80-320,584.32-101,460.48

Finding the Fourth Proportional to 213,836.80, 320,584.32 and 101,460.48

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Solution

The fourth proportional to 213,836.80, 320,584.32 and 101,460.48 is: 152,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,836.80 : 320,584.32 = 101,460.48 : x
  2. Step 2: Convert to fraction form
    213,836.80/320,584.32 = 101,460.48/x
  3. Step 3: Cross multiply
    213,836.80x = 320,584.32 × 101,460.48
  4. Step 4: Simplify right side
    213,836.80x = 32,526,638,987.67
  5. Step 5: Solve for x
    x = 32,526,638,987.67/213,836.80
  6. Step 6: Final answer
    x = 152,109.64

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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.