Home / 344,061.68-515,882.93-154,485.23

Finding the Fourth Proportional to 344,061.68, 515,882.93 and 154,485.23

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Solution

The fourth proportional to 344,061.68, 515,882.93 and 154,485.23 is: 231,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,061.68 : 515,882.93 = 154,485.23 : x
  2. Step 2: Convert to fraction form
    344,061.68/515,882.93 = 154,485.23/x
  3. Step 3: Cross multiply
    344,061.68x = 515,882.93 × 154,485.23
  4. Step 4: Simplify right side
    344,061.68x = 79,696,289,742.28
  5. Step 5: Solve for x
    x = 79,696,289,742.28/344,061.68
  6. Step 6: Final answer
    x = 231,633.73

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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.