Home / 155,791.65-233,195.40-122,330.55

Finding the Fourth Proportional to 155,791.65, 233,195.40 and 122,330.55

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Solution

The fourth proportional to 155,791.65, 233,195.40 and 122,330.55 is: 183,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,791.65 : 233,195.40 = 122,330.55 : x
  2. Step 2: Convert to fraction form
    155,791.65/233,195.40 = 122,330.55/x
  3. Step 3: Cross multiply
    155,791.65x = 233,195.40 × 122,330.55
  4. Step 4: Simplify right side
    155,791.65x = 28,526,921,539.47
  5. Step 5: Solve for x
    x = 28,526,921,539.47/155,791.65
  6. Step 6: Final answer
    x = 183,109.44

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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.