Home / 402,236.20-603,435.30-117,926.20

Finding the Fourth Proportional to 402,236.20, 603,435.30 and 117,926.20

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Solution

The fourth proportional to 402,236.20, 603,435.30 and 117,926.20 is: 176,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,236.20 : 603,435.30 = 117,926.20 : x
  2. Step 2: Convert to fraction form
    402,236.20/603,435.30 = 117,926.20/x
  3. Step 3: Cross multiply
    402,236.20x = 603,435.30 × 117,926.20
  4. Step 4: Simplify right side
    402,236.20x = 71,160,831,874.86
  5. Step 5: Solve for x
    x = 71,160,831,874.86/402,236.20
  6. Step 6: Final answer
    x = 176,913.05

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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.