Home / 257,824.35-355,790.34-141,537.78

Finding the Fourth Proportional to 257,824.35, 355,790.34 and 141,537.78

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Solution

The fourth proportional to 257,824.35, 355,790.34 and 141,537.78 is: 195,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,824.35 : 355,790.34 = 141,537.78 : x
  2. Step 2: Convert to fraction form
    257,824.35/355,790.34 = 141,537.78/x
  3. Step 3: Cross multiply
    257,824.35x = 355,790.34 × 141,537.78
  4. Step 4: Simplify right side
    257,824.35x = 50,357,774,869.05
  5. Step 5: Solve for x
    x = 50,357,774,869.05/257,824.35
  6. Step 6: Final answer
    x = 195,318.15

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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.