Home / 154,368.04-231,287.26-103,672.04

Finding the Fourth Proportional to 154,368.04, 231,287.26 and 103,672.04

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Solution

The fourth proportional to 154,368.04, 231,287.26 and 103,672.04 is: 155,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,368.04 : 231,287.26 = 103,672.04 : x
  2. Step 2: Convert to fraction form
    154,368.04/231,287.26 = 103,672.04/x
  3. Step 3: Cross multiply
    154,368.04x = 231,287.26 × 103,672.04
  4. Step 4: Simplify right side
    154,368.04x = 23,978,022,070.21
  5. Step 5: Solve for x
    x = 23,978,022,070.21/154,368.04
  6. Step 6: Final answer
    x = 155,330.22

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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.