Home / 124,128.58-186,222.03-35,383.36

Finding the Fourth Proportional to 124,128.58, 186,222.03 and 35,383.36

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Solution

The fourth proportional to 124,128.58, 186,222.03 and 35,383.36 is: 53,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,128.58 : 186,222.03 = 35,383.36 : x
  2. Step 2: Convert to fraction form
    124,128.58/186,222.03 = 35,383.36/x
  3. Step 3: Cross multiply
    124,128.58x = 186,222.03 × 35,383.36
  4. Step 4: Simplify right side
    124,128.58x = 6,589,161,127.42
  5. Step 5: Solve for x
    x = 6,589,161,127.42/124,128.58
  6. Step 6: Final answer
    x = 53,083.35

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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.