Home / 199,673.08-299,031.89-115,257.60

Finding the Fourth Proportional to 199,673.08, 299,031.89 and 115,257.60

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Solution

The fourth proportional to 199,673.08, 299,031.89 and 115,257.60 is: 172,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,673.08 : 299,031.89 = 115,257.60 : x
  2. Step 2: Convert to fraction form
    199,673.08/299,031.89 = 115,257.60/x
  3. Step 3: Cross multiply
    199,673.08x = 299,031.89 × 115,257.60
  4. Step 4: Simplify right side
    199,673.08x = 34,465,697,388.58
  5. Step 5: Solve for x
    x = 34,465,697,388.58/199,673.08
  6. Step 6: Final answer
    x = 172,610.64

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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.