Home / 212,974.29-318,992.08-176,039.91

Finding the Fourth Proportional to 212,974.29, 318,992.08 and 176,039.91

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Solution

The fourth proportional to 212,974.29, 318,992.08 and 176,039.91 is: 263,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,974.29 : 318,992.08 = 176,039.91 : x
  2. Step 2: Convert to fraction form
    212,974.29/318,992.08 = 176,039.91/x
  3. Step 3: Cross multiply
    212,974.29x = 318,992.08 × 176,039.91
  4. Step 4: Simplify right side
    212,974.29x = 56,155,337,053.91
  5. Step 5: Solve for x
    x = 56,155,337,053.91/212,974.29
  6. Step 6: Final answer
    x = 263,671.91

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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.