Home / 212,924.49-318,722.42-156,827.94

Finding the Fourth Proportional to 212,924.49, 318,722.42 and 156,827.94

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Solution

The fourth proportional to 212,924.49, 318,722.42 and 156,827.94 is: 234,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,924.49 : 318,722.42 = 156,827.94 : x
  2. Step 2: Convert to fraction form
    212,924.49/318,722.42 = 156,827.94/x
  3. Step 3: Cross multiply
    212,924.49x = 318,722.42 × 156,827.94
  4. Step 4: Simplify right side
    212,924.49x = 49,984,579,776.28
  5. Step 5: Solve for x
    x = 49,984,579,776.28/212,924.49
  6. Step 6: Final answer
    x = 234,752.61

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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.