Home / 319,178.08-440,465.64-175,940.52

Finding the Fourth Proportional to 319,178.08, 440,465.64 and 175,940.52

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Solution

The fourth proportional to 319,178.08, 440,465.64 and 175,940.52 is: 242,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,178.08 : 440,465.64 = 175,940.52 : x
  2. Step 2: Convert to fraction form
    319,178.08/440,465.64 = 175,940.52/x
  3. Step 3: Cross multiply
    319,178.08x = 440,465.64 × 175,940.52
  4. Step 4: Simplify right side
    319,178.08x = 77,495,753,743.73
  5. Step 5: Solve for x
    x = 77,495,753,743.73/319,178.08
  6. Step 6: Final answer
    x = 242,797.86

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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.