Home / 161,568-222,981.12-94,556.16

Finding the Fourth Proportional to 161,568, 222,981.12 and 94,556.16

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Solution

The fourth proportional to 161,568, 222,981.12 and 94,556.16 is: 130,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,568 : 222,981.12 = 94,556.16 : x
  2. Step 2: Convert to fraction form
    161,568/222,981.12 = 94,556.16/x
  3. Step 3: Cross multiply
    161,568x = 222,981.12 × 94,556.16
  4. Step 4: Simplify right side
    161,568x = 21,084,238,459.70
  5. Step 5: Solve for x
    x = 21,084,238,459.70/161,568
  6. Step 6: Final answer
    x = 130,497.61

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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.