Home / 165,624.40-248,315.10-65,735.20

Finding the Fourth Proportional to 165,624.40, 248,315.10 and 65,735.20

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Solution

The fourth proportional to 165,624.40, 248,315.10 and 65,735.20 is: 98,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,624.40 : 248,315.10 = 65,735.20 : x
  2. Step 2: Convert to fraction form
    165,624.40/248,315.10 = 65,735.20/x
  3. Step 3: Cross multiply
    165,624.40x = 248,315.10 × 65,735.20
  4. Step 4: Simplify right side
    165,624.40x = 16,323,042,761.52
  5. Step 5: Solve for x
    x = 16,323,042,761.52/165,624.40
  6. Step 6: Final answer
    x = 98,554.58

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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.