Home / 233,923.21-322,815.95-129,150.52

Finding the Fourth Proportional to 233,923.21, 322,815.95 and 129,150.52

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Solution

The fourth proportional to 233,923.21, 322,815.95 and 129,150.52 is: 178,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,923.21 : 322,815.95 = 129,150.52 : x
  2. Step 2: Convert to fraction form
    233,923.21/322,815.95 = 129,150.52/x
  3. Step 3: Cross multiply
    233,923.21x = 322,815.95 × 129,150.52
  4. Step 4: Simplify right side
    233,923.21x = 41,691,846,838.32
  5. Step 5: Solve for x
    x = 41,691,846,838.32/233,923.21
  6. Step 6: Final answer
    x = 178,228.78

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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.