Home / 151,584.12-209,190.96-83,604

Finding the Fourth Proportional to 151,584.12, 209,190.96 and 83,604

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Solution

The fourth proportional to 151,584.12, 209,190.96 and 83,604 is: 115,376.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,584.12 : 209,190.96 = 83,604 : x
  2. Step 2: Convert to fraction form
    151,584.12/209,190.96 = 83,604/x
  3. Step 3: Cross multiply
    151,584.12x = 209,190.96 × 83,604
  4. Step 4: Simplify right side
    151,584.12x = 17,489,201,019.84
  5. Step 5: Solve for x
    x = 17,489,201,019.84/151,584.12
  6. Step 6: Final answer
    x = 115,376.21

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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.