Home / 263,915.12-364,187.40-156,495.44

Finding the Fourth Proportional to 263,915.12, 364,187.40 and 156,495.44

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Solution

The fourth proportional to 263,915.12, 364,187.40 and 156,495.44 is: 215,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,915.12 : 364,187.40 = 156,495.44 : x
  2. Step 2: Convert to fraction form
    263,915.12/364,187.40 = 156,495.44/x
  3. Step 3: Cross multiply
    263,915.12x = 364,187.40 × 156,495.44
  4. Step 4: Simplify right side
    263,915.12x = 56,993,667,405.46
  5. Step 5: Solve for x
    x = 56,993,667,405.46/263,915.12
  6. Step 6: Final answer
    x = 215,954.54

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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.