Home / 117,648.78-176,495.04-38,768.55

Finding the Fourth Proportional to 117,648.78, 176,495.04 and 38,768.55

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Solution

The fourth proportional to 117,648.78, 176,495.04 and 38,768.55 is: 58,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,648.78 : 176,495.04 = 38,768.55 : x
  2. Step 2: Convert to fraction form
    117,648.78/176,495.04 = 38,768.55/x
  3. Step 3: Cross multiply
    117,648.78x = 176,495.04 × 38,768.55
  4. Step 4: Simplify right side
    117,648.78x = 6,842,456,782.99
  5. Step 5: Solve for x
    x = 6,842,456,782.99/117,648.78
  6. Step 6: Final answer
    x = 58,160.03

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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.