Home / 216,496.10-323,158.79-190,930.34

Finding the Fourth Proportional to 216,496.10, 323,158.79 and 190,930.34

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Solution

The fourth proportional to 216,496.10, 323,158.79 and 190,930.34 is: 284,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,496.10 : 323,158.79 = 190,930.34 : x
  2. Step 2: Convert to fraction form
    216,496.10/323,158.79 = 190,930.34/x
  3. Step 3: Cross multiply
    216,496.10x = 323,158.79 × 190,930.34
  4. Step 4: Simplify right side
    216,496.10x = 61,700,815,078.24
  5. Step 5: Solve for x
    x = 61,700,815,078.24/216,496.10
  6. Step 6: Final answer
    x = 284,997.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.