Home / 161,580.44-222,975.72-89,958.08

Finding the Fourth Proportional to 161,580.44, 222,975.72 and 89,958.08

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Solution

The fourth proportional to 161,580.44, 222,975.72 and 89,958.08 is: 124,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,580.44 : 222,975.72 = 89,958.08 : x
  2. Step 2: Convert to fraction form
    161,580.44/222,975.72 = 89,958.08/x
  3. Step 3: Cross multiply
    161,580.44x = 222,975.72 × 89,958.08
  4. Step 4: Simplify right side
    161,580.44x = 20,058,467,657.82
  5. Step 5: Solve for x
    x = 20,058,467,657.82/161,580.44
  6. Step 6: Final answer
    x = 124,139.21

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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.