Home / 328,064.40-492,096.60-187,723.80

Finding the Fourth Proportional to 328,064.40, 492,096.60 and 187,723.80

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Solution

The fourth proportional to 328,064.40, 492,096.60 and 187,723.80 is: 281,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,064.40 : 492,096.60 = 187,723.80 : x
  2. Step 2: Convert to fraction form
    328,064.40/492,096.60 = 187,723.80/x
  3. Step 3: Cross multiply
    328,064.40x = 492,096.60 × 187,723.80
  4. Step 4: Simplify right side
    328,064.40x = 92,378,243,719.08
  5. Step 5: Solve for x
    x = 92,378,243,719.08/328,064.40
  6. Step 6: Final answer
    x = 281,585.70

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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.