Home / 104,151.86-143,622.07-89,094.36

Finding the Fourth Proportional to 104,151.86, 143,622.07 and 89,094.36

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Solution

The fourth proportional to 104,151.86, 143,622.07 and 89,094.36 is: 122,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,151.86 : 143,622.07 = 89,094.36 : x
  2. Step 2: Convert to fraction form
    104,151.86/143,622.07 = 89,094.36/x
  3. Step 3: Cross multiply
    104,151.86x = 143,622.07 × 89,094.36
  4. Step 4: Simplify right side
    104,151.86x = 12,795,916,185.79
  5. Step 5: Solve for x
    x = 12,795,916,185.79/104,151.86
  6. Step 6: Final answer
    x = 122,858.26

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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.