Home / 115,999.47-160,071.66-68,243.58

Finding the Fourth Proportional to 115,999.47, 160,071.66 and 68,243.58

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Solution

The fourth proportional to 115,999.47, 160,071.66 and 68,243.58 is: 94,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,999.47 : 160,071.66 = 68,243.58 : x
  2. Step 2: Convert to fraction form
    115,999.47/160,071.66 = 68,243.58/x
  3. Step 3: Cross multiply
    115,999.47x = 160,071.66 × 68,243.58
  4. Step 4: Simplify right side
    115,999.47x = 10,923,863,134.94
  5. Step 5: Solve for x
    x = 10,923,863,134.94/115,999.47
  6. Step 6: Final answer
    x = 94,171.66

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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.