Home / 242,783.24-363,929.27-100,431.81

Finding the Fourth Proportional to 242,783.24, 363,929.27 and 100,431.81

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Solution

The fourth proportional to 242,783.24, 363,929.27 and 100,431.81 is: 150,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,783.24 : 363,929.27 = 100,431.81 : x
  2. Step 2: Convert to fraction form
    242,783.24/363,929.27 = 100,431.81/x
  3. Step 3: Cross multiply
    242,783.24x = 363,929.27 × 100,431.81
  4. Step 4: Simplify right side
    242,783.24x = 36,550,074,795.92
  5. Step 5: Solve for x
    x = 36,550,074,795.92/242,783.24
  6. Step 6: Final answer
    x = 150,546.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.