Home / 403,157.35-556,357.58-221,882.41

Finding the Fourth Proportional to 403,157.35, 556,357.58 and 221,882.41

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Solution

The fourth proportional to 403,157.35, 556,357.58 and 221,882.41 is: 306,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,157.35 : 556,357.58 = 221,882.41 : x
  2. Step 2: Convert to fraction form
    403,157.35/556,357.58 = 221,882.41/x
  3. Step 3: Cross multiply
    403,157.35x = 556,357.58 × 221,882.41
  4. Step 4: Simplify right side
    403,157.35x = 123,445,960,672.17
  5. Step 5: Solve for x
    x = 123,445,960,672.17/403,157.35
  6. Step 6: Final answer
    x = 306,197.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.