Home / 140,187.16-193,452.78-76,524.88

Finding the Fourth Proportional to 140,187.16, 193,452.78 and 76,524.88

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Solution

The fourth proportional to 140,187.16, 193,452.78 and 76,524.88 is: 105,601.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,187.16 : 193,452.78 = 76,524.88 : x
  2. Step 2: Convert to fraction form
    140,187.16/193,452.78 = 76,524.88/x
  3. Step 3: Cross multiply
    140,187.16x = 193,452.78 × 76,524.88
  4. Step 4: Simplify right side
    140,187.16x = 14,803,950,775.17
  5. Step 5: Solve for x
    x = 14,803,950,775.17/140,187.16
  6. Step 6: Final answer
    x = 105,601.33

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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.