Home / 326,594.12-489,914.94-136,864.04

Finding the Fourth Proportional to 326,594.12, 489,914.94 and 136,864.04

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Solution

The fourth proportional to 326,594.12, 489,914.94 and 136,864.04 is: 205,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,594.12 : 489,914.94 = 136,864.04 : x
  2. Step 2: Convert to fraction form
    326,594.12/489,914.94 = 136,864.04/x
  3. Step 3: Cross multiply
    326,594.12x = 489,914.94 × 136,864.04
  4. Step 4: Simplify right side
    326,594.12x = 67,051,737,944.76
  5. Step 5: Solve for x
    x = 67,051,737,944.76/326,594.12
  6. Step 6: Final answer
    x = 205,306.02

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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.