Home / 107,023.04-147,791.08-80,118.84

Finding the Fourth Proportional to 107,023.04, 147,791.08 and 80,118.84

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Solution

The fourth proportional to 107,023.04, 147,791.08 and 80,118.84 is: 110,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,023.04 : 147,791.08 = 80,118.84 : x
  2. Step 2: Convert to fraction form
    107,023.04/147,791.08 = 80,118.84/x
  3. Step 3: Cross multiply
    107,023.04x = 147,791.08 × 80,118.84
  4. Step 4: Simplify right side
    107,023.04x = 11,840,849,891.95
  5. Step 5: Solve for x
    x = 11,840,849,891.95/107,023.04
  6. Step 6: Final answer
    x = 110,638.33

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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.