Home / 156,945.60-235,418.40-144,043.20

Finding the Fourth Proportional to 156,945.60, 235,418.40 and 144,043.20

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Solution

The fourth proportional to 156,945.60, 235,418.40 and 144,043.20 is: 216,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,945.60 : 235,418.40 = 144,043.20 : x
  2. Step 2: Convert to fraction form
    156,945.60/235,418.40 = 144,043.20/x
  3. Step 3: Cross multiply
    156,945.60x = 235,418.40 × 144,043.20
  4. Step 4: Simplify right side
    156,945.60x = 33,910,419,674.88
  5. Step 5: Solve for x
    x = 33,910,419,674.88/156,945.60
  6. Step 6: Final answer
    x = 216,064.80

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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.