Home / 242,932.88-335,247.72-135,500.08

Finding the Fourth Proportional to 242,932.88, 335,247.72 and 135,500.08

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Solution

The fourth proportional to 242,932.88, 335,247.72 and 135,500.08 is: 186,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,932.88 : 335,247.72 = 135,500.08 : x
  2. Step 2: Convert to fraction form
    242,932.88/335,247.72 = 135,500.08/x
  3. Step 3: Cross multiply
    242,932.88x = 335,247.72 × 135,500.08
  4. Step 4: Simplify right side
    242,932.88x = 45,426,092,879.82
  5. Step 5: Solve for x
    x = 45,426,092,879.82/242,932.88
  6. Step 6: Final answer
    x = 186,990.30

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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.