Home / 303,612.20-455,418.30-93,260.60

Finding the Fourth Proportional to 303,612.20, 455,418.30 and 93,260.60

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Solution

The fourth proportional to 303,612.20, 455,418.30 and 93,260.60 is: 139,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,612.20 : 455,418.30 = 93,260.60 : x
  2. Step 2: Convert to fraction form
    303,612.20/455,418.30 = 93,260.60/x
  3. Step 3: Cross multiply
    303,612.20x = 455,418.30 × 93,260.60
  4. Step 4: Simplify right side
    303,612.20x = 42,472,583,908.98
  5. Step 5: Solve for x
    x = 42,472,583,908.98/303,612.20
  6. Step 6: Final answer
    x = 139,890.90

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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.