Home / 161,805.20-222,975.59-116,403.08

Finding the Fourth Proportional to 161,805.20, 222,975.59 and 116,403.08

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Solution

The fourth proportional to 161,805.20, 222,975.59 and 116,403.08 is: 160,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,805.20 : 222,975.59 = 116,403.08 : x
  2. Step 2: Convert to fraction form
    161,805.20/222,975.59 = 116,403.08/x
  3. Step 3: Cross multiply
    161,805.20x = 222,975.59 × 116,403.08
  4. Step 4: Simplify right side
    161,805.20x = 25,955,043,743.92
  5. Step 5: Solve for x
    x = 25,955,043,743.92/161,805.20
  6. Step 6: Final answer
    x = 160,409.21

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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.