Home / 136,777.14-188,751.94-76,347.25

Finding the Fourth Proportional to 136,777.14, 188,751.94 and 76,347.25

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Solution

The fourth proportional to 136,777.14, 188,751.94 and 76,347.25 is: 105,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,777.14 : 188,751.94 = 76,347.25 : x
  2. Step 2: Convert to fraction form
    136,777.14/188,751.94 = 76,347.25/x
  3. Step 3: Cross multiply
    136,777.14x = 188,751.94 × 76,347.25
  4. Step 4: Simplify right side
    136,777.14x = 14,410,691,596.24
  5. Step 5: Solve for x
    x = 14,410,691,596.24/136,777.14
  6. Step 6: Final answer
    x = 105,358.92

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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.