Home / 117,998.54-162,678.76-114,329.42

Finding the Fourth Proportional to 117,998.54, 162,678.76 and 114,329.42

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Solution

The fourth proportional to 117,998.54, 162,678.76 and 114,329.42 is: 157,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,998.54 : 162,678.76 = 114,329.42 : x
  2. Step 2: Convert to fraction form
    117,998.54/162,678.76 = 114,329.42/x
  3. Step 3: Cross multiply
    117,998.54x = 162,678.76 × 114,329.42
  4. Step 4: Simplify right side
    117,998.54x = 18,598,968,277.12
  5. Step 5: Solve for x
    x = 18,598,968,277.12/117,998.54
  6. Step 6: Final answer
    x = 157,620.33

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1.5x scale

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.