Home / 302,872.14-417,938.61-173,850.06

Finding the Fourth Proportional to 302,872.14, 417,938.61 and 173,850.06

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Solution

The fourth proportional to 302,872.14, 417,938.61 and 173,850.06 is: 239,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,872.14 : 417,938.61 = 173,850.06 : x
  2. Step 2: Convert to fraction form
    302,872.14/417,938.61 = 173,850.06/x
  3. Step 3: Cross multiply
    302,872.14x = 417,938.61 × 173,850.06
  4. Step 4: Simplify right side
    302,872.14x = 72,658,652,424.82
  5. Step 5: Solve for x
    x = 72,658,652,424.82/302,872.14
  6. Step 6: Final answer
    x = 239,898.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.