Home / 235,840.23-325,408.86-140,328.27

Finding the Fourth Proportional to 235,840.23, 325,408.86 and 140,328.27

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Solution

The fourth proportional to 235,840.23, 325,408.86 and 140,328.27 is: 193,622.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,840.23 : 325,408.86 = 140,328.27 : x
  2. Step 2: Convert to fraction form
    235,840.23/325,408.86 = 140,328.27/x
  3. Step 3: Cross multiply
    235,840.23x = 325,408.86 × 140,328.27
  4. Step 4: Simplify right side
    235,840.23x = 45,664,062,366.47
  5. Step 5: Solve for x
    x = 45,664,062,366.47/235,840.23
  6. Step 6: Final answer
    x = 193,622.87

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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.