Home / 193,146.94-289,801.82-74,901.52

Finding the Fourth Proportional to 193,146.94, 289,801.82 and 74,901.52

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Solution

The fourth proportional to 193,146.94, 289,801.82 and 74,901.52 is: 112,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,146.94 : 289,801.82 = 74,901.52 : x
  2. Step 2: Convert to fraction form
    193,146.94/289,801.82 = 74,901.52/x
  3. Step 3: Cross multiply
    193,146.94x = 289,801.82 × 74,901.52
  4. Step 4: Simplify right side
    193,146.94x = 21,706,596,816.77
  5. Step 5: Solve for x
    x = 21,706,596,816.77/193,146.94
  6. Step 6: Final answer
    x = 112,383.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.