Home / 156,239.81-235,024.92-141,625.20

Finding the Fourth Proportional to 156,239.81, 235,024.92 and 141,625.20

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Solution

The fourth proportional to 156,239.81, 235,024.92 and 141,625.20 is: 213,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,239.81 : 235,024.92 = 141,625.20 : x
  2. Step 2: Convert to fraction form
    156,239.81/235,024.92 = 141,625.20/x
  3. Step 3: Cross multiply
    156,239.81x = 235,024.92 × 141,625.20
  4. Step 4: Simplify right side
    156,239.81x = 33,285,451,299.98
  5. Step 5: Solve for x
    x = 33,285,451,299.98/156,239.81
  6. Step 6: Final answer
    x = 213,040.79

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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.