Home / 221,831.26-305,768.51-173,348.93

Finding the Fourth Proportional to 221,831.26, 305,768.51 and 173,348.93

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Solution

The fourth proportional to 221,831.26, 305,768.51 and 173,348.93 is: 238,941.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,831.26 : 305,768.51 = 173,348.93 : x
  2. Step 2: Convert to fraction form
    221,831.26/305,768.51 = 173,348.93/x
  3. Step 3: Cross multiply
    221,831.26x = 305,768.51 × 173,348.93
  4. Step 4: Simplify right side
    221,831.26x = 53,004,645,233.99
  5. Step 5: Solve for x
    x = 53,004,645,233.99/221,831.26
  6. Step 6: Final answer
    x = 238,941.28

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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.