Home / 227,280.48-313,649.16-125,309.54

Finding the Fourth Proportional to 227,280.48, 313,649.16 and 125,309.54

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Solution

The fourth proportional to 227,280.48, 313,649.16 and 125,309.54 is: 172,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,280.48 : 313,649.16 = 125,309.54 : x
  2. Step 2: Convert to fraction form
    227,280.48/313,649.16 = 125,309.54/x
  3. Step 3: Cross multiply
    227,280.48x = 313,649.16 × 125,309.54
  4. Step 4: Simplify right side
    227,280.48x = 39,303,231,960.99
  5. Step 5: Solve for x
    x = 39,303,231,960.99/227,280.48
  6. Step 6: Final answer
    x = 172,928.32

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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.