Home / 193,187.40-266,573.21-107,145.35

Finding the Fourth Proportional to 193,187.40, 266,573.21 and 107,145.35

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Solution

The fourth proportional to 193,187.40, 266,573.21 and 107,145.35 is: 147,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,187.40 : 266,573.21 = 107,145.35 : x
  2. Step 2: Convert to fraction form
    193,187.40/266,573.21 = 107,145.35/x
  3. Step 3: Cross multiply
    193,187.40x = 266,573.21 × 107,145.35
  4. Step 4: Simplify right side
    193,187.40x = 28,562,079,886.07
  5. Step 5: Solve for x
    x = 28,562,079,886.07/193,187.40
  6. Step 6: Final answer
    x = 147,846.49

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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.