Home / 319,318.96-440,663.16-176,084.14

Finding the Fourth Proportional to 319,318.96, 440,663.16 and 176,084.14

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Solution

The fourth proportional to 319,318.96, 440,663.16 and 176,084.14 is: 242,997.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,318.96 : 440,663.16 = 176,084.14 : x
  2. Step 2: Convert to fraction form
    319,318.96/440,663.16 = 176,084.14/x
  3. Step 3: Cross multiply
    319,318.96x = 440,663.16 × 176,084.14
  4. Step 4: Simplify right side
    319,318.96x = 77,593,793,558.28
  5. Step 5: Solve for x
    x = 77,593,793,558.28/319,318.96
  6. Step 6: Final answer
    x = 242,997.76

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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.