Home / 268,962.39-403,511.63-193,148.01

Finding the Fourth Proportional to 268,962.39, 403,511.63 and 193,148.01

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Solution

The fourth proportional to 268,962.39, 403,511.63 and 193,148.01 is: 289,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,962.39 : 403,511.63 = 193,148.01 : x
  2. Step 2: Convert to fraction form
    268,962.39/403,511.63 = 193,148.01/x
  3. Step 3: Cross multiply
    268,962.39x = 403,511.63 × 193,148.01
  4. Step 4: Simplify right side
    268,962.39x = 77,937,467,380.62
  5. Step 5: Solve for x
    x = 77,937,467,380.62/268,962.39
  6. Step 6: Final answer
    x = 289,770.88

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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.