Home / 328,531.07-492,857.39-103,948.04

Finding the Fourth Proportional to 328,531.07, 492,857.39 and 103,948.04

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Solution

The fourth proportional to 328,531.07, 492,857.39 and 103,948.04 is: 155,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,531.07 : 492,857.39 = 103,948.04 : x
  2. Step 2: Convert to fraction form
    328,531.07/492,857.39 = 103,948.04/x
  3. Step 3: Cross multiply
    328,531.07x = 492,857.39 × 103,948.04
  4. Step 4: Simplify right side
    328,531.07x = 51,231,561,182.03
  5. Step 5: Solve for x
    x = 51,231,561,182.03/328,531.07
  6. Step 6: Final answer
    x = 155,941.30

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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.