Home / 111,718.16-167,583.44-36,835.28

Finding the Fourth Proportional to 111,718.16, 167,583.44 and 36,835.28

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Solution

The fourth proportional to 111,718.16, 167,583.44 and 36,835.28 is: 55,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,718.16 : 167,583.44 = 36,835.28 : x
  2. Step 2: Convert to fraction form
    111,718.16/167,583.44 = 36,835.28/x
  3. Step 3: Cross multiply
    111,718.16x = 167,583.44 × 36,835.28
  4. Step 4: Simplify right side
    111,718.16x = 6,172,982,189.93
  5. Step 5: Solve for x
    x = 6,172,982,189.93/111,718.16
  6. Step 6: Final answer
    x = 55,254.96

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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.