Home / 222,459.58-306,995.14-120,486.24

Finding the Fourth Proportional to 222,459.58, 306,995.14 and 120,486.24

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Solution

The fourth proportional to 222,459.58, 306,995.14 and 120,486.24 is: 166,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,459.58 : 306,995.14 = 120,486.24 : x
  2. Step 2: Convert to fraction form
    222,459.58/306,995.14 = 120,486.24/x
  3. Step 3: Cross multiply
    222,459.58x = 306,995.14 × 120,486.24
  4. Step 4: Simplify right side
    222,459.58x = 36,988,690,116.87
  5. Step 5: Solve for x
    x = 36,988,690,116.87/222,459.58
  6. Step 6: Final answer
    x = 166,271.51

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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.