Home / 319,189.79-440,473.06-175,949.80

Finding the Fourth Proportional to 319,189.79, 440,473.06 and 175,949.80

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Solution

The fourth proportional to 319,189.79, 440,473.06 and 175,949.80 is: 242,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,189.79 : 440,473.06 = 175,949.80 : x
  2. Step 2: Convert to fraction form
    319,189.79/440,473.06 = 175,949.80/x
  3. Step 3: Cross multiply
    319,189.79x = 440,473.06 × 175,949.80
  4. Step 4: Simplify right side
    319,189.79x = 77,501,146,812.39
  5. Step 5: Solve for x
    x = 77,501,146,812.39/319,189.79
  6. Step 6: Final answer
    x = 242,805.85

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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.