Home / 104,118.32-156,159.90-29,221.28

Finding the Fourth Proportional to 104,118.32, 156,159.90 and 29,221.28

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Solution

The fourth proportional to 104,118.32, 156,159.90 and 29,221.28 is: 43,826.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,118.32 : 156,159.90 = 29,221.28 : x
  2. Step 2: Convert to fraction form
    104,118.32/156,159.90 = 29,221.28/x
  3. Step 3: Cross multiply
    104,118.32x = 156,159.90 × 29,221.28
  4. Step 4: Simplify right side
    104,118.32x = 4,563,192,162.67
  5. Step 5: Solve for x
    x = 4,563,192,162.67/104,118.32
  6. Step 6: Final answer
    x = 43,826.99

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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.