Home / 104,506.11-144,120.20-80,594.91

Finding the Fourth Proportional to 104,506.11, 144,120.20 and 80,594.91

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Solution

The fourth proportional to 104,506.11, 144,120.20 and 80,594.91 is: 111,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,506.11 : 144,120.20 = 80,594.91 : x
  2. Step 2: Convert to fraction form
    104,506.11/144,120.20 = 80,594.91/x
  3. Step 3: Cross multiply
    104,506.11x = 144,120.20 × 80,594.91
  4. Step 4: Simplify right side
    104,506.11x = 11,615,354,145.21
  5. Step 5: Solve for x
    x = 11,615,354,145.21/104,506.11
  6. Step 6: Final answer
    x = 111,145.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.