Home / 185,409.17-277,745.25-90,362.18

Finding the Fourth Proportional to 185,409.17, 277,745.25 and 90,362.18

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Solution

The fourth proportional to 185,409.17, 277,745.25 and 90,362.18 is: 135,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,409.17 : 277,745.25 = 90,362.18 : x
  2. Step 2: Convert to fraction form
    185,409.17/277,745.25 = 90,362.18/x
  3. Step 3: Cross multiply
    185,409.17x = 277,745.25 × 90,362.18
  4. Step 4: Simplify right side
    185,409.17x = 25,097,667,307.87
  5. Step 5: Solve for x
    x = 25,097,667,307.87/185,409.17
  6. Step 6: Final answer
    x = 135,363.68

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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.