Home / 161,582.07-222,990.62-89,966.64

Finding the Fourth Proportional to 161,582.07, 222,990.62 and 89,966.64

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Solution

The fourth proportional to 161,582.07, 222,990.62 and 89,966.64 is: 124,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,582.07 : 222,990.62 = 89,966.64 : x
  2. Step 2: Convert to fraction form
    161,582.07/222,990.62 = 89,966.64/x
  3. Step 3: Cross multiply
    161,582.07x = 222,990.62 × 89,966.64
  4. Step 4: Simplify right side
    161,582.07x = 20,061,716,383.08
  5. Step 5: Solve for x
    x = 20,061,716,383.08/161,582.07
  6. Step 6: Final answer
    x = 124,158.06

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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.