Home / 434,500.20-651,750.30-185,149.80

Finding the Fourth Proportional to 434,500.20, 651,750.30 and 185,149.80

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Solution

The fourth proportional to 434,500.20, 651,750.30 and 185,149.80 is: 277,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,500.20 : 651,750.30 = 185,149.80 : x
  2. Step 2: Convert to fraction form
    434,500.20/651,750.30 = 185,149.80/x
  3. Step 3: Cross multiply
    434,500.20x = 651,750.30 × 185,149.80
  4. Step 4: Simplify right side
    434,500.20x = 120,671,437,694.94
  5. Step 5: Solve for x
    x = 120,671,437,694.94/434,500.20
  6. Step 6: Final answer
    x = 277,724.70

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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.