Home / 326,536.14-489,711.45-126,813.90

Finding the Fourth Proportional to 326,536.14, 489,711.45 and 126,813.90

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Solution

The fourth proportional to 326,536.14, 489,711.45 and 126,813.90 is: 190,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,536.14 : 489,711.45 = 126,813.90 : x
  2. Step 2: Convert to fraction form
    326,536.14/489,711.45 = 126,813.90/x
  3. Step 3: Cross multiply
    326,536.14x = 489,711.45 × 126,813.90
  4. Step 4: Simplify right side
    326,536.14x = 62,102,218,849.16
  5. Step 5: Solve for x
    x = 62,102,218,849.16/326,536.14
  6. Step 6: Final answer
    x = 190,184.83

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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.