Home / 115,999.75-160,076.93-68,256.19

Finding the Fourth Proportional to 115,999.75, 160,076.93 and 68,256.19

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Solution

The fourth proportional to 115,999.75, 160,076.93 and 68,256.19 is: 94,191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,999.75 : 160,076.93 = 68,256.19 : x
  2. Step 2: Convert to fraction form
    115,999.75/160,076.93 = 68,256.19/x
  3. Step 3: Cross multiply
    115,999.75x = 160,076.93 × 68,256.19
  4. Step 4: Simplify right side
    115,999.75x = 10,926,241,348.70
  5. Step 5: Solve for x
    x = 10,926,241,348.70/115,999.75
  6. Step 6: Final answer
    x = 94,191.94

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1.5x scale

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.