Home / 140,214.16-193,500.12-76,556.80

Finding the Fourth Proportional to 140,214.16, 193,500.12 and 76,556.80

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Solution

The fourth proportional to 140,214.16, 193,500.12 and 76,556.80 is: 105,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,214.16 : 193,500.12 = 76,556.80 : x
  2. Step 2: Convert to fraction form
    140,214.16/193,500.12 = 76,556.80/x
  3. Step 3: Cross multiply
    140,214.16x = 193,500.12 × 76,556.80
  4. Step 4: Simplify right side
    140,214.16x = 14,813,749,986.82
  5. Step 5: Solve for x
    x = 14,813,749,986.82/140,214.16
  6. Step 6: Final answer
    x = 105,650.88

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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.