Home / 104,120.45-156,179.29-25,235.36

Finding the Fourth Proportional to 104,120.45, 156,179.29 and 25,235.36

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Solution

The fourth proportional to 104,120.45, 156,179.29 and 25,235.36 is: 37,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,120.45 : 156,179.29 = 25,235.36 : x
  2. Step 2: Convert to fraction form
    104,120.45/156,179.29 = 25,235.36/x
  3. Step 3: Cross multiply
    104,120.45x = 156,179.29 × 25,235.36
  4. Step 4: Simplify right side
    104,120.45x = 3,941,240,607.69
  5. Step 5: Solve for x
    x = 3,941,240,607.69/104,120.45
  6. Step 6: Final answer
    x = 37,852.70

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1.5x scale

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.