Home / 220,831.99-304,723.89-124,016.20

Finding the Fourth Proportional to 220,831.99, 304,723.89 and 124,016.20

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Solution

The fourth proportional to 220,831.99, 304,723.89 and 124,016.20 is: 171,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,831.99 : 304,723.89 = 124,016.20 : x
  2. Step 2: Convert to fraction form
    220,831.99/304,723.89 = 124,016.20/x
  3. Step 3: Cross multiply
    220,831.99x = 304,723.89 × 124,016.20
  4. Step 4: Simplify right side
    220,831.99x = 37,790,698,125.21
  5. Step 5: Solve for x
    x = 37,790,698,125.21/220,831.99
  6. Step 6: Final answer
    x = 171,128.73

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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.