Home / 104,836.02-157,186.53-76,383.42

Finding the Fourth Proportional to 104,836.02, 157,186.53 and 76,383.42

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Solution

The fourth proportional to 104,836.02, 157,186.53 and 76,383.42 is: 114,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,836.02 : 157,186.53 = 76,383.42 : x
  2. Step 2: Convert to fraction form
    104,836.02/157,186.53 = 76,383.42/x
  3. Step 3: Cross multiply
    104,836.02x = 157,186.53 × 76,383.42
  4. Step 4: Simplify right side
    104,836.02x = 12,006,444,739.33
  5. Step 5: Solve for x
    x = 12,006,444,739.33/104,836.02
  6. Step 6: Final answer
    x = 114,525.95

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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.