Home / 161,226.96-222,500.72-89,608.16

Finding the Fourth Proportional to 161,226.96, 222,500.72 and 89,608.16

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Solution

The fourth proportional to 161,226.96, 222,500.72 and 89,608.16 is: 123,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,226.96 : 222,500.72 = 89,608.16 : x
  2. Step 2: Convert to fraction form
    161,226.96/222,500.72 = 89,608.16/x
  3. Step 3: Cross multiply
    161,226.96x = 222,500.72 × 89,608.16
  4. Step 4: Simplify right side
    161,226.96x = 19,937,880,117.88
  5. Step 5: Solve for x
    x = 19,937,880,117.88/161,226.96
  6. Step 6: Final answer
    x = 123,663.44

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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.