Home / 303,470.10-455,205.15-93,107.70

Finding the Fourth Proportional to 303,470.10, 455,205.15 and 93,107.70

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Solution

The fourth proportional to 303,470.10, 455,205.15 and 93,107.70 is: 139,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,470.10 : 455,205.15 = 93,107.70 : x
  2. Step 2: Convert to fraction form
    303,470.10/455,205.15 = 93,107.70/x
  3. Step 3: Cross multiply
    303,470.10x = 455,205.15 × 93,107.70
  4. Step 4: Simplify right side
    303,470.10x = 42,383,104,544.66
  5. Step 5: Solve for x
    x = 42,383,104,544.66/303,470.10
  6. Step 6: Final answer
    x = 139,661.55

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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.