Home / 354,618.20-531,975.90-117,936.20

Finding the Fourth Proportional to 354,618.20, 531,975.90 and 117,936.20

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Solution

The fourth proportional to 354,618.20, 531,975.90 and 117,936.20 is: 176,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,618.20 : 531,975.90 = 117,936.20 : x
  2. Step 2: Convert to fraction form
    354,618.20/531,975.90 = 117,936.20/x
  3. Step 3: Cross multiply
    354,618.20x = 531,975.90 × 117,936.20
  4. Step 4: Simplify right side
    354,618.20x = 62,739,216,137.58
  5. Step 5: Solve for x
    x = 62,739,216,137.58/354,618.20
  6. Step 6: Final answer
    x = 176,920.46

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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.