Home / 154,196.49-231,347.24-83,125.99

Finding the Fourth Proportional to 154,196.49, 231,347.24 and 83,125.99

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Solution

The fourth proportional to 154,196.49, 231,347.24 and 83,125.99 is: 124,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,196.49 : 231,347.24 = 83,125.99 : x
  2. Step 2: Convert to fraction form
    154,196.49/231,347.24 = 83,125.99/x
  3. Step 3: Cross multiply
    154,196.49x = 231,347.24 × 83,125.99
  4. Step 4: Simplify right side
    154,196.49x = 19,230,969,507.90
  5. Step 5: Solve for x
    x = 19,230,969,507.90/154,196.49
  6. Step 6: Final answer
    x = 124,717.30

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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.