Home / 111,851.90-154,362.26-64,108.33

Finding the Fourth Proportional to 111,851.90, 154,362.26 and 64,108.33

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Solution

The fourth proportional to 111,851.90, 154,362.26 and 64,108.33 is: 88,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,851.90 : 154,362.26 = 64,108.33 : x
  2. Step 2: Convert to fraction form
    111,851.90/154,362.26 = 64,108.33/x
  3. Step 3: Cross multiply
    111,851.90x = 154,362.26 × 64,108.33
  4. Step 4: Simplify right side
    111,851.90x = 9,895,906,863.90
  5. Step 5: Solve for x
    x = 9,895,906,863.90/111,851.90
  6. Step 6: Final answer
    x = 88,473.30

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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.