Home / 134,504.96-185,592.32-77,895.68

Finding the Fourth Proportional to 134,504.96, 185,592.32 and 77,895.68

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Solution

The fourth proportional to 134,504.96, 185,592.32 and 77,895.68 is: 107,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,504.96 : 185,592.32 = 77,895.68 : x
  2. Step 2: Convert to fraction form
    134,504.96/185,592.32 = 77,895.68/x
  3. Step 3: Cross multiply
    134,504.96x = 185,592.32 × 77,895.68
  4. Step 4: Simplify right side
    134,504.96x = 14,456,839,969.18
  5. Step 5: Solve for x
    x = 14,456,839,969.18/134,504.96
  6. Step 6: Final answer
    x = 107,481.84

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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.