Home / 328,815.06-492,926.39-118,304.88

Finding the Fourth Proportional to 328,815.06, 492,926.39 and 118,304.88

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Solution

The fourth proportional to 328,815.06, 492,926.39 and 118,304.88 is: 177,350.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,815.06 : 492,926.39 = 118,304.88 : x
  2. Step 2: Convert to fraction form
    328,815.06/492,926.39 = 118,304.88/x
  3. Step 3: Cross multiply
    328,815.06x = 492,926.39 × 118,304.88
  4. Step 4: Simplify right side
    328,815.06x = 58,315,597,417.78
  5. Step 5: Solve for x
    x = 58,315,597,417.78/328,815.06
  6. Step 6: Final answer
    x = 177,350.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.