Home / 171,642.56-236,647.68-111,106.40

Finding the Fourth Proportional to 171,642.56, 236,647.68 and 111,106.40

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Solution

The fourth proportional to 171,642.56, 236,647.68 and 111,106.40 is: 153,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,642.56 : 236,647.68 = 111,106.40 : x
  2. Step 2: Convert to fraction form
    171,642.56/236,647.68 = 111,106.40/x
  3. Step 3: Cross multiply
    171,642.56x = 236,647.68 × 111,106.40
  4. Step 4: Simplify right side
    171,642.56x = 26,293,071,793.15
  5. Step 5: Solve for x
    x = 26,293,071,793.15/171,642.56
  6. Step 6: Final answer
    x = 153,185.04

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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.