Home / 319,338.56-440,667.10-183,276.75

Finding the Fourth Proportional to 319,338.56, 440,667.10 and 183,276.75

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Solution

The fourth proportional to 319,338.56, 440,667.10 and 183,276.75 is: 252,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,338.56 : 440,667.10 = 183,276.75 : x
  2. Step 2: Convert to fraction form
    319,338.56/440,667.10 = 183,276.75/x
  3. Step 3: Cross multiply
    319,338.56x = 440,667.10 × 183,276.75
  4. Step 4: Simplify right side
    319,338.56x = 80,764,035,801.52
  5. Step 5: Solve for x
    x = 80,764,035,801.52/319,338.56
  6. Step 6: Final answer
    x = 252,910.38

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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.