Home / 119,126.31-164,394.32-68,825.31

Finding the Fourth Proportional to 119,126.31, 164,394.32 and 68,825.31

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Solution

The fourth proportional to 119,126.31, 164,394.32 and 68,825.31 is: 94,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,126.31 : 164,394.32 = 68,825.31 : x
  2. Step 2: Convert to fraction form
    119,126.31/164,394.32 = 68,825.31/x
  3. Step 3: Cross multiply
    119,126.31x = 164,394.32 × 68,825.31
  4. Step 4: Simplify right side
    119,126.31x = 11,314,490,036.24
  5. Step 5: Solve for x
    x = 11,314,490,036.24/119,126.31
  6. Step 6: Final answer
    x = 94,978.93

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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.