Home / 111,495.22-153,761.65-73,239.41

Finding the Fourth Proportional to 111,495.22, 153,761.65 and 73,239.41

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Solution

The fourth proportional to 111,495.22, 153,761.65 and 73,239.41 is: 101,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,495.22 : 153,761.65 = 73,239.41 : x
  2. Step 2: Convert to fraction form
    111,495.22/153,761.65 = 73,239.41/x
  3. Step 3: Cross multiply
    111,495.22x = 153,761.65 × 73,239.41
  4. Step 4: Simplify right side
    111,495.22x = 11,261,412,727.93
  5. Step 5: Solve for x
    x = 11,261,412,727.93/111,495.22
  6. Step 6: Final answer
    x = 101,003.55

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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.