Home / 140,282.80-193,590.26-76,620.75

Finding the Fourth Proportional to 140,282.80, 193,590.26 and 76,620.75

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Solution

The fourth proportional to 140,282.80, 193,590.26 and 76,620.75 is: 105,736.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,282.80 : 193,590.26 = 76,620.75 : x
  2. Step 2: Convert to fraction form
    140,282.80/193,590.26 = 76,620.75/x
  3. Step 3: Cross multiply
    140,282.80x = 193,590.26 × 76,620.75
  4. Step 4: Simplify right side
    140,282.80x = 14,833,030,913.90
  5. Step 5: Solve for x
    x = 14,833,030,913.90/140,282.80
  6. Step 6: Final answer
    x = 105,736.63

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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.