Home / 236,025.45-325,718.85-128,595.44

Finding the Fourth Proportional to 236,025.45, 325,718.85 and 128,595.44

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Solution

The fourth proportional to 236,025.45, 325,718.85 and 128,595.44 is: 177,463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,025.45 : 325,718.85 = 128,595.44 : x
  2. Step 2: Convert to fraction form
    236,025.45/325,718.85 = 128,595.44/x
  3. Step 3: Cross multiply
    236,025.45x = 325,718.85 × 128,595.44
  4. Step 4: Simplify right side
    236,025.45x = 41,885,957,203.45
  5. Step 5: Solve for x
    x = 41,885,957,203.45/236,025.45
  6. Step 6: Final answer
    x = 177,463.73

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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.