Home / 159,716.07-220,423.64-119,359.85

Finding the Fourth Proportional to 159,716.07, 220,423.64 and 119,359.85

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Solution

The fourth proportional to 159,716.07, 220,423.64 and 119,359.85 is: 164,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,716.07 : 220,423.64 = 119,359.85 : x
  2. Step 2: Convert to fraction form
    159,716.07/220,423.64 = 119,359.85/x
  3. Step 3: Cross multiply
    159,716.07x = 220,423.64 × 119,359.85
  4. Step 4: Simplify right side
    159,716.07x = 26,309,730,907.94
  5. Step 5: Solve for x
    x = 26,309,730,907.94/159,716.07
  6. Step 6: Final answer
    x = 164,728.14

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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.