Home / 319,183.08-440,472.54-175,945.53

Finding the Fourth Proportional to 319,183.08, 440,472.54 and 175,945.53

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Solution

The fourth proportional to 319,183.08, 440,472.54 and 175,945.53 is: 242,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,183.08 : 440,472.54 = 175,945.53 : x
  2. Step 2: Convert to fraction form
    319,183.08/440,472.54 = 175,945.53/x
  3. Step 3: Cross multiply
    319,183.08x = 440,472.54 × 175,945.53
  4. Step 4: Simplify right side
    319,183.08x = 77,499,174,500.75
  5. Step 5: Solve for x
    x = 77,499,174,500.75/319,183.08
  6. Step 6: Final answer
    x = 242,804.77

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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.