Home / 318,180.96-439,077.92-174,932.46

Finding the Fourth Proportional to 318,180.96, 439,077.92 and 174,932.46

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Solution

The fourth proportional to 318,180.96, 439,077.92 and 174,932.46 is: 241,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,180.96 : 439,077.92 = 174,932.46 : x
  2. Step 2: Convert to fraction form
    318,180.96/439,077.92 = 174,932.46/x
  3. Step 3: Cross multiply
    318,180.96x = 439,077.92 × 174,932.46
  4. Step 4: Simplify right side
    318,180.96x = 76,808,979,802.62
  5. Step 5: Solve for x
    x = 76,808,979,802.62/318,180.96
  6. Step 6: Final answer
    x = 241,400.30

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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.