Home / 168,405.26-232,438.26-111,054.89

Finding the Fourth Proportional to 168,405.26, 232,438.26 and 111,054.89

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Solution

The fourth proportional to 168,405.26, 232,438.26 and 111,054.89 is: 153,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,405.26 : 232,438.26 = 111,054.89 : x
  2. Step 2: Convert to fraction form
    168,405.26/232,438.26 = 111,054.89/x
  3. Step 3: Cross multiply
    168,405.26x = 232,438.26 × 111,054.89
  4. Step 4: Simplify right side
    168,405.26x = 25,813,404,233.90
  5. Step 5: Solve for x
    x = 25,813,404,233.90/168,405.26
  6. Step 6: Final answer
    x = 153,281.47

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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.