Home / 318,007.20-438,850.27-174,764.17

Finding the Fourth Proportional to 318,007.20, 438,850.27 and 174,764.17

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Solution

The fourth proportional to 318,007.20, 438,850.27 and 174,764.17 is: 241,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,007.20 : 438,850.27 = 174,764.17 : x
  2. Step 2: Convert to fraction form
    318,007.20/438,850.27 = 174,764.17/x
  3. Step 3: Cross multiply
    318,007.20x = 438,850.27 × 174,764.17
  4. Step 4: Simplify right side
    318,007.20x = 76,695,303,190.83
  5. Step 5: Solve for x
    x = 76,695,303,190.83/318,007.20
  6. Step 6: Final answer
    x = 241,174.74

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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.