Home / 319,056.35-440,300.71-175,821.52

Finding the Fourth Proportional to 319,056.35, 440,300.71 and 175,821.52

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Solution

The fourth proportional to 319,056.35, 440,300.71 and 175,821.52 is: 242,635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,056.35 : 440,300.71 = 175,821.52 : x
  2. Step 2: Convert to fraction form
    319,056.35/440,300.71 = 175,821.52/x
  3. Step 3: Cross multiply
    319,056.35x = 440,300.71 × 175,821.52
  4. Step 4: Simplify right side
    319,056.35x = 77,414,338,327.33
  5. Step 5: Solve for x
    x = 77,414,338,327.33/319,056.35
  6. Step 6: Final answer
    x = 242,635.32

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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.