Home / 245,097.47-367,705.32-85,150.11

Finding the Fourth Proportional to 245,097.47, 367,705.32 and 85,150.11

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Solution

The fourth proportional to 245,097.47, 367,705.32 and 85,150.11 is: 127,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,097.47 : 367,705.32 = 85,150.11 : x
  2. Step 2: Convert to fraction form
    245,097.47/367,705.32 = 85,150.11/x
  3. Step 3: Cross multiply
    245,097.47x = 367,705.32 × 85,150.11
  4. Step 4: Simplify right side
    245,097.47x = 31,310,148,949.97
  5. Step 5: Solve for x
    x = 31,310,148,949.97/245,097.47
  6. Step 6: Final answer
    x = 127,745.70

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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.