Home / 236,363.16-326,183.24-128,933.68

Finding the Fourth Proportional to 236,363.16, 326,183.24 and 128,933.68

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Solution

The fourth proportional to 236,363.16, 326,183.24 and 128,933.68 is: 177,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,363.16 : 326,183.24 = 128,933.68 : x
  2. Step 2: Convert to fraction form
    236,363.16/326,183.24 = 128,933.68/x
  3. Step 3: Cross multiply
    236,363.16x = 326,183.24 × 128,933.68
  4. Step 4: Simplify right side
    236,363.16x = 42,056,005,487.52
  5. Step 5: Solve for x
    x = 42,056,005,487.52/236,363.16
  6. Step 6: Final answer
    x = 177,929.61

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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.