Home / 354,962.54-489,868.16-193,832.55

Finding the Fourth Proportional to 354,962.54, 489,868.16 and 193,832.55

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Solution

The fourth proportional to 354,962.54, 489,868.16 and 193,832.55 is: 267,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,962.54 : 489,868.16 = 193,832.55 : x
  2. Step 2: Convert to fraction form
    354,962.54/489,868.16 = 193,832.55/x
  3. Step 3: Cross multiply
    354,962.54x = 489,868.16 × 193,832.55
  4. Step 4: Simplify right side
    354,962.54x = 94,952,393,647.45
  5. Step 5: Solve for x
    x = 94,952,393,647.45/354,962.54
  6. Step 6: Final answer
    x = 267,499.76

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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.