Home / 161,367.12-222,680.88-89,750.16

Finding the Fourth Proportional to 161,367.12, 222,680.88 and 89,750.16

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Solution

The fourth proportional to 161,367.12, 222,680.88 and 89,750.16 is: 123,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,367.12 : 222,680.88 = 89,750.16 : x
  2. Step 2: Convert to fraction form
    161,367.12/222,680.88 = 89,750.16/x
  3. Step 3: Cross multiply
    161,367.12x = 222,680.88 × 89,750.16
  4. Step 4: Simplify right side
    161,367.12x = 19,985,644,608.94
  5. Step 5: Solve for x
    x = 19,985,644,608.94/161,367.12
  6. Step 6: Final answer
    x = 123,852.03

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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.