Home / 242,923.38-335,234.86-135,500.37

Finding the Fourth Proportional to 242,923.38, 335,234.86 and 135,500.37

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Solution

The fourth proportional to 242,923.38, 335,234.86 and 135,500.37 is: 186,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,923.38 : 335,234.86 = 135,500.37 : x
  2. Step 2: Convert to fraction form
    242,923.38/335,234.86 = 135,500.37/x
  3. Step 3: Cross multiply
    242,923.38x = 335,234.86 × 135,500.37
  4. Step 4: Simplify right side
    242,923.38x = 45,424,447,228.15
  5. Step 5: Solve for x
    x = 45,424,447,228.15/242,923.38
  6. Step 6: Final answer
    x = 186,990.84

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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.