Home / 111,524.16-167,159.84-55,403.36

Finding the Fourth Proportional to 111,524.16, 167,159.84 and 55,403.36

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Solution

The fourth proportional to 111,524.16, 167,159.84 and 55,403.36 is: 83,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,524.16 : 167,159.84 = 55,403.36 : x
  2. Step 2: Convert to fraction form
    111,524.16/167,159.84 = 55,403.36/x
  3. Step 3: Cross multiply
    111,524.16x = 167,159.84 × 55,403.36
  4. Step 4: Simplify right side
    111,524.16x = 9,261,216,793.06
  5. Step 5: Solve for x
    x = 9,261,216,793.06/111,524.16
  6. Step 6: Final answer
    x = 83,042.25

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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.