Home / 177,691.84-245,191.04-114,115.68

Finding the Fourth Proportional to 177,691.84, 245,191.04 and 114,115.68

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Solution

The fourth proportional to 177,691.84, 245,191.04 and 114,115.68 is: 157,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,691.84 : 245,191.04 = 114,115.68 : x
  2. Step 2: Convert to fraction form
    177,691.84/245,191.04 = 114,115.68/x
  3. Step 3: Cross multiply
    177,691.84x = 245,191.04 × 114,115.68
  4. Step 4: Simplify right side
    177,691.84x = 27,980,142,259.51
  5. Step 5: Solve for x
    x = 27,980,142,259.51/177,691.84
  6. Step 6: Final answer
    x = 157,464.42

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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.