Home / 104,209.64-156,150.54-80,574.92

Finding the Fourth Proportional to 104,209.64, 156,150.54 and 80,574.92

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Solution

The fourth proportional to 104,209.64, 156,150.54 and 80,574.92 is: 120,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,209.64 : 156,150.54 = 80,574.92 : x
  2. Step 2: Convert to fraction form
    104,209.64/156,150.54 = 80,574.92/x
  3. Step 3: Cross multiply
    104,209.64x = 156,150.54 × 80,574.92
  4. Step 4: Simplify right side
    104,209.64x = 12,581,817,268.46
  5. Step 5: Solve for x
    x = 12,581,817,268.46/104,209.64
  6. Step 6: Final answer
    x = 120,735.64

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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.