Home / 160,626.11-221,672.90-89,004.61

Finding the Fourth Proportional to 160,626.11, 221,672.90 and 89,004.61

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Solution

The fourth proportional to 160,626.11, 221,672.90 and 89,004.61 is: 122,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,626.11 : 221,672.90 = 89,004.61 : x
  2. Step 2: Convert to fraction form
    160,626.11/221,672.90 = 89,004.61/x
  3. Step 3: Cross multiply
    160,626.11x = 221,672.90 × 89,004.61
  4. Step 4: Simplify right side
    160,626.11x = 19,729,910,012.07
  5. Step 5: Solve for x
    x = 19,729,910,012.07/160,626.11
  6. Step 6: Final answer
    x = 122,831.28

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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.