Home / 222,977.40-307,702.44-120,998.40

Finding the Fourth Proportional to 222,977.40, 307,702.44 and 120,998.40

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Solution

The fourth proportional to 222,977.40, 307,702.44 and 120,998.40 is: 166,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,977.40 : 307,702.44 = 120,998.40 : x
  2. Step 2: Convert to fraction form
    222,977.40/307,702.44 = 120,998.40/x
  3. Step 3: Cross multiply
    222,977.40x = 307,702.44 × 120,998.40
  4. Step 4: Simplify right side
    222,977.40x = 37,231,502,916.10
  5. Step 5: Solve for x
    x = 37,231,502,916.10/222,977.40
  6. Step 6: Final answer
    x = 166,974.33

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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.