Home / 177,943.72-245,838.12-149,212.72

Finding the Fourth Proportional to 177,943.72, 245,838.12 and 149,212.72

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Solution

The fourth proportional to 177,943.72, 245,838.12 and 149,212.72 is: 206,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,943.72 : 245,838.12 = 149,212.72 : x
  2. Step 2: Convert to fraction form
    177,943.72/245,838.12 = 149,212.72/x
  3. Step 3: Cross multiply
    177,943.72x = 245,838.12 × 149,212.72
  4. Step 4: Simplify right side
    177,943.72x = 36,682,174,564.89
  5. Step 5: Solve for x
    x = 36,682,174,564.89/177,943.72
  6. Step 6: Final answer
    x = 206,144.81

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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.