Home / 453,513.30-680,529.15-173,231.70

Finding the Fourth Proportional to 453,513.30, 680,529.15 and 173,231.70

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Solution

The fourth proportional to 453,513.30, 680,529.15 and 173,231.70 is: 259,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,513.30 : 680,529.15 = 173,231.70 : x
  2. Step 2: Convert to fraction form
    453,513.30/680,529.15 = 173,231.70/x
  3. Step 3: Cross multiply
    453,513.30x = 680,529.15 × 173,231.70
  4. Step 4: Simplify right side
    453,513.30x = 117,889,221,554.06
  5. Step 5: Solve for x
    x = 117,889,221,554.06/453,513.30
  6. Step 6: Final answer
    x = 259,946.56

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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.