Home / 354,949.34-489,829.82-193,804.38

Finding the Fourth Proportional to 354,949.34, 489,829.82 and 193,804.38

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Solution

The fourth proportional to 354,949.34, 489,829.82 and 193,804.38 is: 267,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,949.34 : 489,829.82 = 193,804.38 : x
  2. Step 2: Convert to fraction form
    354,949.34/489,829.82 = 193,804.38/x
  3. Step 3: Cross multiply
    354,949.34x = 489,829.82 × 193,804.38
  4. Step 4: Simplify right side
    354,949.34x = 94,931,163,601.59
  5. Step 5: Solve for x
    x = 94,931,163,601.59/354,949.34
  6. Step 6: Final answer
    x = 267,449.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.