Home / 136,518.88-188,396.98-76,093.41

Finding the Fourth Proportional to 136,518.88, 188,396.98 and 76,093.41

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Solution

The fourth proportional to 136,518.88, 188,396.98 and 76,093.41 is: 105,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,518.88 : 188,396.98 = 76,093.41 : x
  2. Step 2: Convert to fraction form
    136,518.88/188,396.98 = 76,093.41/x
  3. Step 3: Cross multiply
    136,518.88x = 188,396.98 × 76,093.41
  4. Step 4: Simplify right side
    136,518.88x = 14,335,768,641.90
  5. Step 5: Solve for x
    x = 14,335,768,641.90/136,518.88
  6. Step 6: Final answer
    x = 105,009.42

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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.