Home / 106,272.14-159,233.25-74,254.46

Finding the Fourth Proportional to 106,272.14, 159,233.25 and 74,254.46

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Solution

The fourth proportional to 106,272.14, 159,233.25 and 74,254.46 is: 111,259.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,272.14 : 159,233.25 = 74,254.46 : x
  2. Step 2: Convert to fraction form
    106,272.14/159,233.25 = 74,254.46/x
  3. Step 3: Cross multiply
    106,272.14x = 159,233.25 × 74,254.46
  4. Step 4: Simplify right side
    106,272.14x = 11,823,779,390.88
  5. Step 5: Solve for x
    x = 11,823,779,390.88/106,272.14
  6. Step 6: Final answer
    x = 111,259.44

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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.