Home / 156,072.20-234,021.90-62,472.20

Finding the Fourth Proportional to 156,072.20, 234,021.90 and 62,472.20

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Solution

The fourth proportional to 156,072.20, 234,021.90 and 62,472.20 is: 93,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,072.20 : 234,021.90 = 62,472.20 : x
  2. Step 2: Convert to fraction form
    156,072.20/234,021.90 = 62,472.20/x
  3. Step 3: Cross multiply
    156,072.20x = 234,021.90 × 62,472.20
  4. Step 4: Simplify right side
    156,072.20x = 14,619,862,941.18
  5. Step 5: Solve for x
    x = 14,619,862,941.18/156,072.20
  6. Step 6: Final answer
    x = 93,673.72

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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.