Home / 165,902.70-248,886.45-66,045.90

Finding the Fourth Proportional to 165,902.70, 248,886.45 and 66,045.90

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Solution

The fourth proportional to 165,902.70, 248,886.45 and 66,045.90 is: 99,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,902.70 : 248,886.45 = 66,045.90 : x
  2. Step 2: Convert to fraction form
    165,902.70/248,886.45 = 66,045.90/x
  3. Step 3: Cross multiply
    165,902.70x = 248,886.45 × 66,045.90
  4. Step 4: Simplify right side
    165,902.70x = 16,437,929,588.06
  5. Step 5: Solve for x
    x = 16,437,929,588.06/165,902.70
  6. Step 6: Final answer
    x = 99,081.75

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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.