Home / 327,987.10-492,095.85-117,631.90

Finding the Fourth Proportional to 327,987.10, 492,095.85 and 117,631.90

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Solution

The fourth proportional to 327,987.10, 492,095.85 and 117,631.90 is: 176,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,987.10 : 492,095.85 = 117,631.90 : x
  2. Step 2: Convert to fraction form
    327,987.10/492,095.85 = 117,631.90/x
  3. Step 3: Cross multiply
    327,987.10x = 492,095.85 × 117,631.90
  4. Step 4: Simplify right side
    327,987.10x = 57,886,169,817.62
  5. Step 5: Solve for x
    x = 57,886,169,817.62/327,987.10
  6. Step 6: Final answer
    x = 176,489.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.