Home / 161,533-222,890.02-93,556.38

Finding the Fourth Proportional to 161,533, 222,890.02 and 93,556.38

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Solution

The fourth proportional to 161,533, 222,890.02 and 93,556.38 is: 129,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,533 : 222,890.02 = 93,556.38 : x
  2. Step 2: Convert to fraction form
    161,533/222,890.02 = 93,556.38/x
  3. Step 3: Cross multiply
    161,533x = 222,890.02 × 93,556.38
  4. Step 4: Simplify right side
    161,533x = 20,852,783,409.33
  5. Step 5: Solve for x
    x = 20,852,783,409.33/161,533
  6. Step 6: Final answer
    x = 129,093.02

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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.