Home / 242,923.01-335,234.34-135,500.00

Finding the Fourth Proportional to 242,923.01, 335,234.34 and 135,500.00

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Solution

The fourth proportional to 242,923.01, 335,234.34 and 135,500.00 is: 186,990.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,923.01 : 335,234.34 = 135,500.00 : x
  2. Step 2: Convert to fraction form
    242,923.01/335,234.34 = 135,500.00/x
  3. Step 3: Cross multiply
    242,923.01x = 335,234.34 × 135,500.00
  4. Step 4: Simplify right side
    242,923.01x = 45,424,251,393.83
  5. Step 5: Solve for x
    x = 45,424,251,393.83/242,923.01
  6. Step 6: Final answer
    x = 186,990.32

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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.