Home / 177,782.56-245,401.71-102,361.12

Finding the Fourth Proportional to 177,782.56, 245,401.71 and 102,361.12

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Solution

The fourth proportional to 177,782.56, 245,401.71 and 102,361.12 is: 141,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,782.56 : 245,401.71 = 102,361.12 : x
  2. Step 2: Convert to fraction form
    177,782.56/245,401.71 = 102,361.12/x
  3. Step 3: Cross multiply
    177,782.56x = 245,401.71 × 102,361.12
  4. Step 4: Simplify right side
    177,782.56x = 25,119,593,885.52
  5. Step 5: Solve for x
    x = 25,119,593,885.52/177,782.56
  6. Step 6: Final answer
    x = 141,293.91

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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.