Home / 165,094.10-246,985.05-143,151.20

Finding the Fourth Proportional to 165,094.10, 246,985.05 and 143,151.20

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Solution

The fourth proportional to 165,094.10, 246,985.05 and 143,151.20 is: 214,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,094.10 : 246,985.05 = 143,151.20 : x
  2. Step 2: Convert to fraction form
    165,094.10/246,985.05 = 143,151.20/x
  3. Step 3: Cross multiply
    165,094.10x = 246,985.05 × 143,151.20
  4. Step 4: Simplify right side
    165,094.10x = 35,356,206,289.56
  5. Step 5: Solve for x
    x = 35,356,206,289.56/165,094.10
  6. Step 6: Final answer
    x = 214,157.90

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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.