Home / 167,981.42-252,007.57-55,655.21

Finding the Fourth Proportional to 167,981.42, 252,007.57 and 55,655.21

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Solution

The fourth proportional to 167,981.42, 252,007.57 and 55,655.21 is: 83,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,981.42 : 252,007.57 = 55,655.21 : x
  2. Step 2: Convert to fraction form
    167,981.42/252,007.57 = 55,655.21/x
  3. Step 3: Cross multiply
    167,981.42x = 252,007.57 × 55,655.21
  4. Step 4: Simplify right side
    167,981.42x = 14,025,534,929.53
  5. Step 5: Solve for x
    x = 14,025,534,929.53/167,981.42
  6. Step 6: Final answer
    x = 83,494.56

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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.