Home / 303,511.06-455,226.60-93,131.38

Finding the Fourth Proportional to 303,511.06, 455,226.60 and 93,131.38

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Solution

The fourth proportional to 303,511.06, 455,226.60 and 93,131.38 is: 139,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,511.06 : 455,226.60 = 93,131.38 : x
  2. Step 2: Convert to fraction form
    303,511.06/455,226.60 = 93,131.38/x
  3. Step 3: Cross multiply
    303,511.06x = 455,226.60 × 93,131.38
  4. Step 4: Simplify right side
    303,511.06x = 42,395,881,470.71
  5. Step 5: Solve for x
    x = 42,395,881,470.71/303,511.06
  6. Step 6: Final answer
    x = 139,684.80

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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.