Home / 104,120.95-156,180.04-25,235.86

Finding the Fourth Proportional to 104,120.95, 156,180.04 and 25,235.86

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Solution

The fourth proportional to 104,120.95, 156,180.04 and 25,235.86 is: 37,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,120.95 : 156,180.04 = 25,235.86 : x
  2. Step 2: Convert to fraction form
    104,120.95/156,180.04 = 25,235.86/x
  3. Step 3: Cross multiply
    104,120.95x = 156,180.04 × 25,235.86
  4. Step 4: Simplify right side
    104,120.95x = 3,941,337,624.23
  5. Step 5: Solve for x
    x = 3,941,337,624.23/104,120.95
  6. Step 6: Final answer
    x = 37,853.45

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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.