Home / 213,801.54-295,077.27-123,139.86

Finding the Fourth Proportional to 213,801.54, 295,077.27 and 123,139.86

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Solution

The fourth proportional to 213,801.54, 295,077.27 and 123,139.86 is: 169,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,801.54 : 295,077.27 = 123,139.86 : x
  2. Step 2: Convert to fraction form
    213,801.54/295,077.27 = 123,139.86/x
  3. Step 3: Cross multiply
    213,801.54x = 295,077.27 × 123,139.86
  4. Step 4: Simplify right side
    213,801.54x = 36,335,773,716.98
  5. Step 5: Solve for x
    x = 36,335,773,716.98/213,801.54
  6. Step 6: Final answer
    x = 169,950.94

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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.