Home / 328,132.42-492,201.04-117,772.18

Finding the Fourth Proportional to 328,132.42, 492,201.04 and 117,772.18

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Solution

The fourth proportional to 328,132.42, 492,201.04 and 117,772.18 is: 176,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,132.42 : 492,201.04 = 117,772.18 : x
  2. Step 2: Convert to fraction form
    328,132.42/492,201.04 = 117,772.18/x
  3. Step 3: Cross multiply
    328,132.42x = 492,201.04 × 117,772.18
  4. Step 4: Simplify right side
    328,132.42x = 57,967,589,479.07
  5. Step 5: Solve for x
    x = 57,967,589,479.07/328,132.42
  6. Step 6: Final answer
    x = 176,659.13

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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.