Home / 231,158.13-346,764.83-98,021.09

Finding the Fourth Proportional to 231,158.13, 346,764.83 and 98,021.09

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Solution

The fourth proportional to 231,158.13, 346,764.83 and 98,021.09 is: 147,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,158.13 : 346,764.83 = 98,021.09 : x
  2. Step 2: Convert to fraction form
    231,158.13/346,764.83 = 98,021.09/x
  3. Step 3: Cross multiply
    231,158.13x = 346,764.83 × 98,021.09
  4. Step 4: Simplify right side
    231,158.13x = 33,990,264,386.34
  5. Step 5: Solve for x
    x = 33,990,264,386.34/231,158.13
  6. Step 6: Final answer
    x = 147,043.34

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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.