Home / 231,206.96-346,802.63-81,443.34

Finding the Fourth Proportional to 231,206.96, 346,802.63 and 81,443.34

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Solution

The fourth proportional to 231,206.96, 346,802.63 and 81,443.34 is: 122,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,206.96 : 346,802.63 = 81,443.34 : x
  2. Step 2: Convert to fraction form
    231,206.96/346,802.63 = 81,443.34/x
  3. Step 3: Cross multiply
    231,206.96x = 346,802.63 × 81,443.34
  4. Step 4: Simplify right side
    231,206.96x = 28,244,764,507.98
  5. Step 5: Solve for x
    x = 28,244,764,507.98/231,206.96
  6. Step 6: Final answer
    x = 122,162.26

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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.