Home / 268,913.04-403,505.64-111,254.64

Finding the Fourth Proportional to 268,913.04, 403,505.64 and 111,254.64

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Solution

The fourth proportional to 268,913.04, 403,505.64 and 111,254.64 is: 166,938.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,913.04 : 403,505.64 = 111,254.64 : x
  2. Step 2: Convert to fraction form
    268,913.04/403,505.64 = 111,254.64/x
  3. Step 3: Cross multiply
    268,913.04x = 403,505.64 × 111,254.64
  4. Step 4: Simplify right side
    268,913.04x = 44,891,874,716.17
  5. Step 5: Solve for x
    x = 44,891,874,716.17/268,913.04
  6. Step 6: Final answer
    x = 166,938.26

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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.