Home / 245,636.12-368,433-149,548.44

Finding the Fourth Proportional to 245,636.12, 368,433 and 149,548.44

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Solution

The fourth proportional to 245,636.12, 368,433 and 149,548.44 is: 224,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,636.12 : 368,433 = 149,548.44 : x
  2. Step 2: Convert to fraction form
    245,636.12/368,433 = 149,548.44/x
  3. Step 3: Cross multiply
    245,636.12x = 368,433 × 149,548.44
  4. Step 4: Simplify right side
    245,636.12x = 55,098,580,394.52
  5. Step 5: Solve for x
    x = 55,098,580,394.52/245,636.12
  6. Step 6: Final answer
    x = 224,309.77

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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.