Home / 236,635.43-326,518.34-139,825.80

Finding the Fourth Proportional to 236,635.43, 326,518.34 and 139,825.80

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Solution

The fourth proportional to 236,635.43, 326,518.34 and 139,825.80 is: 192,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,635.43 : 326,518.34 = 139,825.80 : x
  2. Step 2: Convert to fraction form
    236,635.43/326,518.34 = 139,825.80/x
  3. Step 3: Cross multiply
    236,635.43x = 326,518.34 × 139,825.80
  4. Step 4: Simplify right side
    236,635.43x = 45,655,687,406.04
  5. Step 5: Solve for x
    x = 45,655,687,406.04/236,635.43
  6. Step 6: Final answer
    x = 192,936.82

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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.