Home / 319,502.43-440,914.85-176,262.44

Finding the Fourth Proportional to 319,502.43, 440,914.85 and 176,262.44

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Solution

The fourth proportional to 319,502.43, 440,914.85 and 176,262.44 is: 243,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,502.43 : 440,914.85 = 176,262.44 : x
  2. Step 2: Convert to fraction form
    319,502.43/440,914.85 = 176,262.44/x
  3. Step 3: Cross multiply
    319,502.43x = 440,914.85 × 176,262.44
  4. Step 4: Simplify right side
    319,502.43x = 77,716,724,207.35
  5. Step 5: Solve for x
    x = 77,716,724,207.35/319,502.43
  6. Step 6: Final answer
    x = 243,242.98

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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.