Home / 301,931.40-453,156.30-133,710.60

Finding the Fourth Proportional to 301,931.40, 453,156.30 and 133,710.60

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Solution

The fourth proportional to 301,931.40, 453,156.30 and 133,710.60 is: 200,680.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,931.40 : 453,156.30 = 133,710.60 : x
  2. Step 2: Convert to fraction form
    301,931.40/453,156.30 = 133,710.60/x
  3. Step 3: Cross multiply
    301,931.40x = 453,156.30 × 133,710.60
  4. Step 4: Simplify right side
    301,931.40x = 60,591,800,766.78
  5. Step 5: Solve for x
    x = 60,591,800,766.78/301,931.40
  6. Step 6: Final answer
    x = 200,680.69

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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.