Home / 140,556.80-193,962.24-76,895.84

Finding the Fourth Proportional to 140,556.80, 193,962.24 and 76,895.84

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Solution

The fourth proportional to 140,556.80, 193,962.24 and 76,895.84 is: 106,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,556.80 : 193,962.24 = 76,895.84 : x
  2. Step 2: Convert to fraction form
    140,556.80/193,962.24 = 76,895.84/x
  3. Step 3: Cross multiply
    140,556.80x = 193,962.24 × 76,895.84
  4. Step 4: Simplify right side
    140,556.80x = 14,914,889,373.08
  5. Step 5: Solve for x
    x = 14,914,889,373.08/140,556.80
  6. Step 6: Final answer
    x = 106,112.90

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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.