Home / 330,331.78-455,889.83-185,162.19

Finding the Fourth Proportional to 330,331.78, 455,889.83 and 185,162.19

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Solution

The fourth proportional to 330,331.78, 455,889.83 and 185,162.19 is: 255,541.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,331.78 : 455,889.83 = 185,162.19 : x
  2. Step 2: Convert to fraction form
    330,331.78/455,889.83 = 185,162.19/x
  3. Step 3: Cross multiply
    330,331.78x = 455,889.83 × 185,162.19
  4. Step 4: Simplify right side
    330,331.78x = 84,413,559,321.53
  5. Step 5: Solve for x
    x = 84,413,559,321.53/330,331.78
  6. Step 6: Final answer
    x = 255,541.74

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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.