Home / 318,190.86-439,105.04-174,960.13

Finding the Fourth Proportional to 318,190.86, 439,105.04 and 174,960.13

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Solution

The fourth proportional to 318,190.86, 439,105.04 and 174,960.13 is: 241,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,190.86 : 439,105.04 = 174,960.13 : x
  2. Step 2: Convert to fraction form
    318,190.86/439,105.04 = 174,960.13/x
  3. Step 3: Cross multiply
    318,190.86x = 439,105.04 × 174,960.13
  4. Step 4: Simplify right side
    318,190.86x = 76,825,874,882.06
  5. Step 5: Solve for x
    x = 76,825,874,882.06/318,190.86
  6. Step 6: Final answer
    x = 241,445.89

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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.