Home / 319,351.04-440,685.60-176,112.80

Finding the Fourth Proportional to 319,351.04, 440,685.60 and 176,112.80

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Solution

The fourth proportional to 319,351.04, 440,685.60 and 176,112.80 is: 243,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,351.04 : 440,685.60 = 176,112.80 : x
  2. Step 2: Convert to fraction form
    319,351.04/440,685.60 = 176,112.80/x
  3. Step 3: Cross multiply
    319,351.04x = 440,685.60 × 176,112.80
  4. Step 4: Simplify right side
    319,351.04x = 77,610,374,935.68
  5. Step 5: Solve for x
    x = 77,610,374,935.68/319,351.04
  6. Step 6: Final answer
    x = 243,025.28

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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.