Home / 318,142.34-439,025.23-174,901.33

Finding the Fourth Proportional to 318,142.34, 439,025.23 and 174,901.33

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Solution

The fourth proportional to 318,142.34, 439,025.23 and 174,901.33 is: 241,357.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,142.34 : 439,025.23 = 174,901.33 : x
  2. Step 2: Convert to fraction form
    318,142.34/439,025.23 = 174,901.33/x
  3. Step 3: Cross multiply
    318,142.34x = 439,025.23 × 174,901.33
  4. Step 4: Simplify right side
    318,142.34x = 76,786,096,630.56
  5. Step 5: Solve for x
    x = 76,786,096,630.56/318,142.34
  6. Step 6: Final answer
    x = 241,357.68

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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.