Home / 367,931.30-551,790.32-143,241.64

Finding the Fourth Proportional to 367,931.30, 551,790.32 and 143,241.64

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Solution

The fourth proportional to 367,931.30, 551,790.32 and 143,241.64 is: 214,820.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,931.30 : 551,790.32 = 143,241.64 : x
  2. Step 2: Convert to fraction form
    367,931.30/551,790.32 = 143,241.64/x
  3. Step 3: Cross multiply
    367,931.30x = 551,790.32 × 143,241.64
  4. Step 4: Simplify right side
    367,931.30x = 79,039,348,277.24
  5. Step 5: Solve for x
    x = 79,039,348,277.24/367,931.30
  6. Step 6: Final answer
    x = 214,820.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.