Home / 165,155.40-227,950.74-108,572.04

Finding the Fourth Proportional to 165,155.40, 227,950.74 and 108,572.04

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Solution

The fourth proportional to 165,155.40, 227,950.74 and 108,572.04 is: 149,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,155.40 : 227,950.74 = 108,572.04 : x
  2. Step 2: Convert to fraction form
    165,155.40/227,950.74 = 108,572.04/x
  3. Step 3: Cross multiply
    165,155.40x = 227,950.74 × 108,572.04
  4. Step 4: Simplify right side
    165,155.40x = 24,749,076,861.31
  5. Step 5: Solve for x
    x = 24,749,076,861.31/165,155.40
  6. Step 6: Final answer
    x = 149,853.27

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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.