Home / 156,784.83-236,223.20-141,809.19

Finding the Fourth Proportional to 156,784.83, 236,223.20 and 141,809.19

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Solution

The fourth proportional to 156,784.83, 236,223.20 and 141,809.19 is: 213,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,784.83 : 236,223.20 = 141,809.19 : x
  2. Step 2: Convert to fraction form
    156,784.83/236,223.20 = 141,809.19/x
  3. Step 3: Cross multiply
    156,784.83x = 236,223.20 × 141,809.19
  4. Step 4: Simplify right side
    156,784.83x = 33,498,620,651.21
  5. Step 5: Solve for x
    x = 33,498,620,651.21/156,784.83
  6. Step 6: Final answer
    x = 213,659.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.