Home / 297,404.25-410,406.75-161,435.30

Finding the Fourth Proportional to 297,404.25, 410,406.75 and 161,435.30

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Solution

The fourth proportional to 297,404.25, 410,406.75 and 161,435.30 is: 222,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,404.25 : 410,406.75 = 161,435.30 : x
  2. Step 2: Convert to fraction form
    297,404.25/410,406.75 = 161,435.30/x
  3. Step 3: Cross multiply
    297,404.25x = 410,406.75 × 161,435.30
  4. Step 4: Simplify right side
    297,404.25x = 66,254,134,756.24
  5. Step 5: Solve for x
    x = 66,254,134,756.24/297,404.25
  6. Step 6: Final answer
    x = 222,774.67

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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.