Home / 354,311.20-531,539.70-117,823.60

Finding the Fourth Proportional to 354,311.20, 531,539.70 and 117,823.60

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Solution

The fourth proportional to 354,311.20, 531,539.70 and 117,823.60 is: 176,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,311.20 : 531,539.70 = 117,823.60 : x
  2. Step 2: Convert to fraction form
    354,311.20/531,539.70 = 117,823.60/x
  3. Step 3: Cross multiply
    354,311.20x = 531,539.70 × 117,823.60
  4. Step 4: Simplify right side
    354,311.20x = 62,627,920,996.92
  5. Step 5: Solve for x
    x = 62,627,920,996.92/354,311.20
  6. Step 6: Final answer
    x = 176,759.64

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1.5x scale

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.