Home / 156,930.60-235,395.90-144,028.20

Finding the Fourth Proportional to 156,930.60, 235,395.90 and 144,028.20

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Solution

The fourth proportional to 156,930.60, 235,395.90 and 144,028.20 is: 216,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,930.60 : 235,395.90 = 144,028.20 : x
  2. Step 2: Convert to fraction form
    156,930.60/235,395.90 = 144,028.20/x
  3. Step 3: Cross multiply
    156,930.60x = 235,395.90 × 144,028.20
  4. Step 4: Simplify right side
    156,930.60x = 33,903,647,764.38
  5. Step 5: Solve for x
    x = 33,903,647,764.38/156,930.60
  6. Step 6: Final answer
    x = 216,042.30

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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.