Home / 326,100.50-489,184.26-112,868.06

Finding the Fourth Proportional to 326,100.50, 489,184.26 and 112,868.06

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Solution

The fourth proportional to 326,100.50, 489,184.26 and 112,868.06 is: 169,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,100.50 : 489,184.26 = 112,868.06 : x
  2. Step 2: Convert to fraction form
    326,100.50/489,184.26 = 112,868.06/x
  3. Step 3: Cross multiply
    326,100.50x = 489,184.26 × 112,868.06
  4. Step 4: Simplify right side
    326,100.50x = 55,213,278,408.74
  5. Step 5: Solve for x
    x = 55,213,278,408.74/326,100.50
  6. Step 6: Final answer
    x = 169,313.69

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1.5x scale

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.