Home / 156,893.40-235,194.30-109,508.40

Finding the Fourth Proportional to 156,893.40, 235,194.30 and 109,508.40

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Solution

The fourth proportional to 156,893.40, 235,194.30 and 109,508.40 is: 164,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,893.40 : 235,194.30 = 109,508.40 : x
  2. Step 2: Convert to fraction form
    156,893.40/235,194.30 = 109,508.40/x
  3. Step 3: Cross multiply
    156,893.40x = 235,194.30 × 109,508.40
  4. Step 4: Simplify right side
    156,893.40x = 25,755,751,482.12
  5. Step 5: Solve for x
    x = 25,755,751,482.12/156,893.40
  6. Step 6: Final answer
    x = 164,160.83

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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.