Home / 325,051.80-487,456.44-111,759.36

Finding the Fourth Proportional to 325,051.80, 487,456.44 and 111,759.36

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Solution

The fourth proportional to 325,051.80, 487,456.44 and 111,759.36 is: 167,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,051.80 : 487,456.44 = 111,759.36 : x
  2. Step 2: Convert to fraction form
    325,051.80/487,456.44 = 111,759.36/x
  3. Step 3: Cross multiply
    325,051.80x = 487,456.44 × 111,759.36
  4. Step 4: Simplify right side
    325,051.80x = 54,477,819,762.28
  5. Step 5: Solve for x
    x = 54,477,819,762.28/325,051.80
  6. Step 6: Final answer
    x = 167,597.35

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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.