Home / 165,862.20-248,825.70-66,005.40

Finding the Fourth Proportional to 165,862.20, 248,825.70 and 66,005.40

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Solution

The fourth proportional to 165,862.20, 248,825.70 and 66,005.40 is: 99,020.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,862.20 : 248,825.70 = 66,005.40 : x
  2. Step 2: Convert to fraction form
    165,862.20/248,825.70 = 66,005.40/x
  3. Step 3: Cross multiply
    165,862.20x = 248,825.70 × 66,005.40
  4. Step 4: Simplify right side
    165,862.20x = 16,423,839,858.78
  5. Step 5: Solve for x
    x = 16,423,839,858.78/165,862.20
  6. Step 6: Final answer
    x = 99,020.99

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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.