Home / 319,100.85-440,359.18-175,860.90

Finding the Fourth Proportional to 319,100.85, 440,359.18 and 175,860.90

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Solution

The fourth proportional to 319,100.85, 440,359.18 and 175,860.90 is: 242,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,100.85 : 440,359.18 = 175,860.90 : x
  2. Step 2: Convert to fraction form
    319,100.85/440,359.18 = 175,860.90/x
  3. Step 3: Cross multiply
    319,100.85x = 440,359.18 × 175,860.90
  4. Step 4: Simplify right side
    319,100.85x = 77,441,958,636.96
  5. Step 5: Solve for x
    x = 77,441,958,636.96/319,100.85
  6. Step 6: Final answer
    x = 242,688.04

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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.