Home / 354,952.03-489,830.07-193,806.58

Finding the Fourth Proportional to 354,952.03, 489,830.07 and 193,806.58

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Solution

The fourth proportional to 354,952.03, 489,830.07 and 193,806.58 is: 267,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,952.03 : 489,830.07 = 193,806.58 : x
  2. Step 2: Convert to fraction form
    354,952.03/489,830.07 = 193,806.58/x
  3. Step 3: Cross multiply
    354,952.03x = 489,830.07 × 193,806.58
  4. Step 4: Simplify right side
    354,952.03x = 94,932,290,647.86
  5. Step 5: Solve for x
    x = 94,932,290,647.86/354,952.03
  6. Step 6: Final answer
    x = 267,451.04

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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.