Home / 318,059.46-438,933.60-174,830.40

Finding the Fourth Proportional to 318,059.46, 438,933.60 and 174,830.40

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Solution

The fourth proportional to 318,059.46, 438,933.60 and 174,830.40 is: 241,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,059.46 : 438,933.60 = 174,830.40 : x
  2. Step 2: Convert to fraction form
    318,059.46/438,933.60 = 174,830.40/x
  3. Step 3: Cross multiply
    318,059.46x = 438,933.60 × 174,830.40
  4. Step 4: Simplify right side
    318,059.46x = 76,738,936,861.44
  5. Step 5: Solve for x
    x = 76,738,936,861.44/318,059.46
  6. Step 6: Final answer
    x = 241,272.30

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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.