Home / 318,186.64-439,086.32-174,945.58

Finding the Fourth Proportional to 318,186.64, 439,086.32 and 174,945.58

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Solution

The fourth proportional to 318,186.64, 439,086.32 and 174,945.58 is: 241,418.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,186.64 : 439,086.32 = 174,945.58 : x
  2. Step 2: Convert to fraction form
    318,186.64/439,086.32 = 174,945.58/x
  3. Step 3: Cross multiply
    318,186.64x = 439,086.32 × 174,945.58
  4. Step 4: Simplify right side
    318,186.64x = 76,816,210,922.47
  5. Step 5: Solve for x
    x = 76,816,210,922.47/318,186.64
  6. Step 6: Final answer
    x = 241,418.72

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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.