Home / 279,440.68-385,568.34-166,241.32

Finding the Fourth Proportional to 279,440.68, 385,568.34 and 166,241.32

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Solution

The fourth proportional to 279,440.68, 385,568.34 and 166,241.32 is: 229,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,440.68 : 385,568.34 = 166,241.32 : x
  2. Step 2: Convert to fraction form
    279,440.68/385,568.34 = 166,241.32/x
  3. Step 3: Cross multiply
    279,440.68x = 385,568.34 × 166,241.32
  4. Step 4: Simplify right side
    279,440.68x = 64,097,389,791.81
  5. Step 5: Solve for x
    x = 64,097,389,791.81/279,440.68
  6. Step 6: Final answer
    x = 229,377.45

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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.