Home / 319,329.28-440,664.32-176,095.36

Finding the Fourth Proportional to 319,329.28, 440,664.32 and 176,095.36

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Solution

The fourth proportional to 319,329.28, 440,664.32 and 176,095.36 is: 243,006.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,329.28 : 440,664.32 = 176,095.36 : x
  2. Step 2: Convert to fraction form
    319,329.28/440,664.32 = 176,095.36/x
  3. Step 3: Cross multiply
    319,329.28x = 440,664.32 × 176,095.36
  4. Step 4: Simplify right side
    319,329.28x = 77,598,942,069.56
  5. Step 5: Solve for x
    x = 77,598,942,069.56/319,329.28
  6. Step 6: Final answer
    x = 243,006.03

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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.