Home / 161,204.64-222,457.96-89,582.84

Finding the Fourth Proportional to 161,204.64, 222,457.96 and 89,582.84

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Solution

The fourth proportional to 161,204.64, 222,457.96 and 89,582.84 is: 123,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,204.64 : 222,457.96 = 89,582.84 : x
  2. Step 2: Convert to fraction form
    161,204.64/222,457.96 = 89,582.84/x
  3. Step 3: Cross multiply
    161,204.64x = 222,457.96 × 89,582.84
  4. Step 4: Simplify right side
    161,204.64x = 19,928,415,837.41
  5. Step 5: Solve for x
    x = 19,928,415,837.41/161,204.64
  6. Step 6: Final answer
    x = 123,621.85

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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.