Home / 257,388.27-355,195.19-141,101.53

Finding the Fourth Proportional to 257,388.27, 355,195.19 and 141,101.53

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Solution

The fourth proportional to 257,388.27, 355,195.19 and 141,101.53 is: 194,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,388.27 : 355,195.19 = 141,101.53 : x
  2. Step 2: Convert to fraction form
    257,388.27/355,195.19 = 141,101.53/x
  3. Step 3: Cross multiply
    257,388.27x = 355,195.19 × 141,101.53
  4. Step 4: Simplify right side
    257,388.27x = 50,118,584,222.41
  5. Step 5: Solve for x
    x = 50,118,584,222.41/257,388.27
  6. Step 6: Final answer
    x = 194,719.77

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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.