Home / 450,848.32-676,245.60-135,311.04

Finding the Fourth Proportional to 450,848.32, 676,245.60 and 135,311.04

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Solution

The fourth proportional to 450,848.32, 676,245.60 and 135,311.04 is: 202,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,848.32 : 676,245.60 = 135,311.04 : x
  2. Step 2: Convert to fraction form
    450,848.32/676,245.60 = 135,311.04/x
  3. Step 3: Cross multiply
    450,848.32x = 676,245.60 × 135,311.04
  4. Step 4: Simplify right side
    450,848.32x = 91,503,495,431.42
  5. Step 5: Solve for x
    x = 91,503,495,431.42/450,848.32
  6. Step 6: Final answer
    x = 202,958.49

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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.