Home / 235,130.26-324,292.17-154,640.43

Finding the Fourth Proportional to 235,130.26, 324,292.17 and 154,640.43

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Solution

The fourth proportional to 235,130.26, 324,292.17 and 154,640.43 is: 213,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,130.26 : 324,292.17 = 154,640.43 : x
  2. Step 2: Convert to fraction form
    235,130.26/324,292.17 = 154,640.43/x
  3. Step 3: Cross multiply
    235,130.26x = 324,292.17 × 154,640.43
  4. Step 4: Simplify right side
    235,130.26x = 50,148,680,614.43
  5. Step 5: Solve for x
    x = 50,148,680,614.43/235,130.26
  6. Step 6: Final answer
    x = 213,280.42

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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.