Home / 225,945.76-311,831.76-125,350.24

Finding the Fourth Proportional to 225,945.76, 311,831.76 and 125,350.24

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Solution

The fourth proportional to 225,945.76, 311,831.76 and 125,350.24 is: 172,998.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,945.76 : 311,831.76 = 125,350.24 : x
  2. Step 2: Convert to fraction form
    225,945.76/311,831.76 = 125,350.24/x
  3. Step 3: Cross multiply
    225,945.76x = 311,831.76 × 125,350.24
  4. Step 4: Simplify right side
    225,945.76x = 39,088,185,955.62
  5. Step 5: Solve for x
    x = 39,088,185,955.62/225,945.76
  6. Step 6: Final answer
    x = 172,998.09

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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.