Home / 319,183.40-440,472.98-175,945.84

Finding the Fourth Proportional to 319,183.40, 440,472.98 and 175,945.84

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Solution

The fourth proportional to 319,183.40, 440,472.98 and 175,945.84 is: 242,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,183.40 : 440,472.98 = 175,945.84 : x
  2. Step 2: Convert to fraction form
    319,183.40/440,472.98 = 175,945.84/x
  3. Step 3: Cross multiply
    319,183.40x = 440,472.98 × 175,945.84
  4. Step 4: Simplify right side
    319,183.40x = 77,499,387,802.09
  5. Step 5: Solve for x
    x = 77,499,387,802.09/319,183.40
  6. Step 6: Final answer
    x = 242,805.19

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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.