Home / 318,869.56-440,059.94-175,629.57

Finding the Fourth Proportional to 318,869.56, 440,059.94 and 175,629.57

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Solution

The fourth proportional to 318,869.56, 440,059.94 and 175,629.57 is: 242,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,869.56 : 440,059.94 = 175,629.57 : x
  2. Step 2: Convert to fraction form
    318,869.56/440,059.94 = 175,629.57/x
  3. Step 3: Cross multiply
    318,869.56x = 440,059.94 × 175,629.57
  4. Step 4: Simplify right side
    318,869.56x = 77,287,538,036.43
  5. Step 5: Solve for x
    x = 77,287,538,036.43/318,869.56
  6. Step 6: Final answer
    x = 242,379.79

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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.