Home / 140,123.86-193,375.58-76,465.14

Finding the Fourth Proportional to 140,123.86, 193,375.58 and 76,465.14

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Solution

The fourth proportional to 140,123.86, 193,375.58 and 76,465.14 is: 105,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,123.86 : 193,375.58 = 76,465.14 : x
  2. Step 2: Convert to fraction form
    140,123.86/193,375.58 = 76,465.14/x
  3. Step 3: Cross multiply
    140,123.86x = 193,375.58 × 76,465.14
  4. Step 4: Simplify right side
    140,123.86x = 14,786,490,797.28
  5. Step 5: Solve for x
    x = 14,786,490,797.28/140,123.86
  6. Step 6: Final answer
    x = 105,524.43

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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.