Home / 222,259.37-306,715.56-120,282.60

Finding the Fourth Proportional to 222,259.37, 306,715.56 and 120,282.60

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Solution

The fourth proportional to 222,259.37, 306,715.56 and 120,282.60 is: 165,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,259.37 : 306,715.56 = 120,282.60 : x
  2. Step 2: Convert to fraction form
    222,259.37/306,715.56 = 120,282.60/x
  3. Step 3: Cross multiply
    222,259.37x = 306,715.56 × 120,282.60
  4. Step 4: Simplify right side
    222,259.37x = 36,892,545,017.26
  5. Step 5: Solve for x
    x = 36,892,545,017.26/222,259.37
  6. Step 6: Final answer
    x = 165,988.71

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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.