Home / 314,821.94-434,441.62-171,578.92

Finding the Fourth Proportional to 314,821.94, 434,441.62 and 171,578.92

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Solution

The fourth proportional to 314,821.94, 434,441.62 and 171,578.92 is: 236,772.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,821.94 : 434,441.62 = 171,578.92 : x
  2. Step 2: Convert to fraction form
    314,821.94/434,441.62 = 171,578.92/x
  3. Step 3: Cross multiply
    314,821.94x = 434,441.62 × 171,578.92
  4. Step 4: Simplify right side
    314,821.94x = 74,541,023,962.65
  5. Step 5: Solve for x
    x = 74,541,023,962.65/314,821.94
  6. Step 6: Final answer
    x = 236,772.01

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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.