Home / 231,026.54-346,539.57-86,959.26

Finding the Fourth Proportional to 231,026.54, 346,539.57 and 86,959.26

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Solution

The fourth proportional to 231,026.54, 346,539.57 and 86,959.26 is: 130,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,026.54 : 346,539.57 = 86,959.26 : x
  2. Step 2: Convert to fraction form
    231,026.54/346,539.57 = 86,959.26/x
  3. Step 3: Cross multiply
    231,026.54x = 346,539.57 × 86,959.26
  4. Step 4: Simplify right side
    231,026.54x = 30,134,824,567.92
  5. Step 5: Solve for x
    x = 30,134,824,567.92/231,026.54
  6. Step 6: Final answer
    x = 130,438.80

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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.