Home / 480,183.08-720,275.16-125,196.80

Finding the Fourth Proportional to 480,183.08, 720,275.16 and 125,196.80

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Solution

The fourth proportional to 480,183.08, 720,275.16 and 125,196.80 is: 187,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,183.08 : 720,275.16 = 125,196.80 : x
  2. Step 2: Convert to fraction form
    480,183.08/720,275.16 = 125,196.80/x
  3. Step 3: Cross multiply
    480,183.08x = 720,275.16 × 125,196.80
  4. Step 4: Simplify right side
    480,183.08x = 90,176,145,151.49
  5. Step 5: Solve for x
    x = 90,176,145,151.49/480,183.08
  6. Step 6: Final answer
    x = 187,795.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.