Home / 319,086.81-440,353.98-183,126.51

Finding the Fourth Proportional to 319,086.81, 440,353.98 and 183,126.51

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Solution

The fourth proportional to 319,086.81, 440,353.98 and 183,126.51 is: 252,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,086.81 : 440,353.98 = 183,126.51 : x
  2. Step 2: Convert to fraction form
    319,086.81/440,353.98 = 183,126.51/x
  3. Step 3: Cross multiply
    319,086.81x = 440,353.98 × 183,126.51
  4. Step 4: Simplify right side
    319,086.81x = 80,640,487,522.01
  5. Step 5: Solve for x
    x = 80,640,487,522.01/319,086.81
  6. Step 6: Final answer
    x = 252,722.72

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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.