Home / 319,156.88-440,431.22-175,930.25

Finding the Fourth Proportional to 319,156.88, 440,431.22 and 175,930.25

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Solution

The fourth proportional to 319,156.88, 440,431.22 and 175,930.25 is: 242,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,156.88 : 440,431.22 = 175,930.25 : x
  2. Step 2: Convert to fraction form
    319,156.88/440,431.22 = 175,930.25/x
  3. Step 3: Cross multiply
    319,156.88x = 440,431.22 × 175,930.25
  4. Step 4: Simplify right side
    319,156.88x = 77,485,172,440.25
  5. Step 5: Solve for x
    x = 77,485,172,440.25/319,156.88
  6. Step 6: Final answer
    x = 242,780.83

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1.5x scale

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.