Home / 156,633.10-234,795.21-100,313.26

Finding the Fourth Proportional to 156,633.10, 234,795.21 and 100,313.26

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Solution

The fourth proportional to 156,633.10, 234,795.21 and 100,313.26 is: 150,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,633.10 : 234,795.21 = 100,313.26 : x
  2. Step 2: Convert to fraction form
    156,633.10/234,795.21 = 100,313.26/x
  3. Step 3: Cross multiply
    156,633.10x = 234,795.21 × 100,313.26
  4. Step 4: Simplify right side
    156,633.10x = 23,553,072,947.48
  5. Step 5: Solve for x
    x = 23,553,072,947.48/156,633.10
  6. Step 6: Final answer
    x = 150,370.98

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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.