Home / 193,163.47-266,554.70-112,604.11

Finding the Fourth Proportional to 193,163.47, 266,554.70 and 112,604.11

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Solution

The fourth proportional to 193,163.47, 266,554.70 and 112,604.11 is: 155,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,163.47 : 266,554.70 = 112,604.11 : x
  2. Step 2: Convert to fraction form
    193,163.47/266,554.70 = 112,604.11/x
  3. Step 3: Cross multiply
    193,163.47x = 266,554.70 × 112,604.11
  4. Step 4: Simplify right side
    193,163.47x = 30,015,153,952.68
  5. Step 5: Solve for x
    x = 30,015,153,952.68/193,163.47
  6. Step 6: Final answer
    x = 155,387.32

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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.