Home / 313,118.92-469,056.30-172,528.84

Finding the Fourth Proportional to 313,118.92, 469,056.30 and 172,528.84

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Solution

The fourth proportional to 313,118.92, 469,056.30 and 172,528.84 is: 258,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,118.92 : 469,056.30 = 172,528.84 : x
  2. Step 2: Convert to fraction form
    313,118.92/469,056.30 = 172,528.84/x
  3. Step 3: Cross multiply
    313,118.92x = 469,056.30 × 172,528.84
  4. Step 4: Simplify right side
    313,118.92x = 80,925,739,333.69
  5. Step 5: Solve for x
    x = 80,925,739,333.69/313,118.92
  6. Step 6: Final answer
    x = 258,450.49

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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.