Home / 380,926.08-571,390.08-114,687.36

Finding the Fourth Proportional to 380,926.08, 571,390.08 and 114,687.36

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Solution

The fourth proportional to 380,926.08, 571,390.08 and 114,687.36 is: 172,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,926.08 : 571,390.08 = 114,687.36 : x
  2. Step 2: Convert to fraction form
    380,926.08/571,390.08 = 114,687.36/x
  3. Step 3: Cross multiply
    380,926.08x = 571,390.08 × 114,687.36
  4. Step 4: Simplify right side
    380,926.08x = 65,531,219,805.39
  5. Step 5: Solve for x
    x = 65,531,219,805.39/380,926.08
  6. Step 6: Final answer
    x = 172,031.33

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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.