Home / 165,395.10-228,296.40-123,011.04

Finding the Fourth Proportional to 165,395.10, 228,296.40 and 123,011.04

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Solution

The fourth proportional to 165,395.10, 228,296.40 and 123,011.04 is: 169,793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,395.10 : 228,296.40 = 123,011.04 : x
  2. Step 2: Convert to fraction form
    165,395.10/228,296.40 = 123,011.04/x
  3. Step 3: Cross multiply
    165,395.10x = 228,296.40 × 123,011.04
  4. Step 4: Simplify right side
    165,395.10x = 28,082,977,592.26
  5. Step 5: Solve for x
    x = 28,082,977,592.26/165,395.10
  6. Step 6: Final answer
    x = 169,793.29

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1.5x scale

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.