Home / 114,558.45-171,837.68-99,796.20

Finding the Fourth Proportional to 114,558.45, 171,837.68 and 99,796.20

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Solution

The fourth proportional to 114,558.45, 171,837.68 and 99,796.20 is: 149,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,558.45 : 171,837.68 = 99,796.20 : x
  2. Step 2: Convert to fraction form
    114,558.45/171,837.68 = 99,796.20/x
  3. Step 3: Cross multiply
    114,558.45x = 171,837.68 × 99,796.20
  4. Step 4: Simplify right side
    114,558.45x = 17,148,746,981.84
  5. Step 5: Solve for x
    x = 17,148,746,981.84/114,558.45
  6. Step 6: Final answer
    x = 149,694.30

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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.