Home / 193,372.55-266,870.19-107,339.61

Finding the Fourth Proportional to 193,372.55, 266,870.19 and 107,339.61

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Solution

The fourth proportional to 193,372.55, 266,870.19 and 107,339.61 is: 148,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,372.55 : 266,870.19 = 107,339.61 : x
  2. Step 2: Convert to fraction form
    193,372.55/266,870.19 = 107,339.61/x
  3. Step 3: Cross multiply
    193,372.55x = 266,870.19 × 107,339.61
  4. Step 4: Simplify right side
    193,372.55x = 28,645,742,115.23
  5. Step 5: Solve for x
    x = 28,645,742,115.23/193,372.55
  6. Step 6: Final answer
    x = 148,137.58

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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.