Home / 319,189.62-440,461.89-175,942.26

Finding the Fourth Proportional to 319,189.62, 440,461.89 and 175,942.26

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Solution

The fourth proportional to 319,189.62, 440,461.89 and 175,942.26 is: 242,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,189.62 : 440,461.89 = 175,942.26 : x
  2. Step 2: Convert to fraction form
    319,189.62/440,461.89 = 175,942.26/x
  3. Step 3: Cross multiply
    319,189.62x = 440,461.89 × 175,942.26
  4. Step 4: Simplify right side
    319,189.62x = 77,495,860,370.47
  5. Step 5: Solve for x
    x = 77,495,860,370.47/319,189.62
  6. Step 6: Final answer
    x = 242,789.41

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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.