Home / 177,716.12-245,208.72-102,264.62

Finding the Fourth Proportional to 177,716.12, 245,208.72 and 102,264.62

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Solution

The fourth proportional to 177,716.12, 245,208.72 and 102,264.62 is: 141,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,716.12 : 245,208.72 = 102,264.62 : x
  2. Step 2: Convert to fraction form
    177,716.12/245,208.72 = 102,264.62/x
  3. Step 3: Cross multiply
    177,716.12x = 245,208.72 × 102,264.62
  4. Step 4: Simplify right side
    177,716.12x = 25,076,176,571.49
  5. Step 5: Solve for x
    x = 25,076,176,571.49/177,716.12
  6. Step 6: Final answer
    x = 141,102.43

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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.