Home / 193,235.40-289,853.10-109,254.60

Finding the Fourth Proportional to 193,235.40, 289,853.10 and 109,254.60

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Solution

The fourth proportional to 193,235.40, 289,853.10 and 109,254.60 is: 163,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,235.40 : 289,853.10 = 109,254.60 : x
  2. Step 2: Convert to fraction form
    193,235.40/289,853.10 = 109,254.60/x
  3. Step 3: Cross multiply
    193,235.40x = 289,853.10 × 109,254.60
  4. Step 4: Simplify right side
    193,235.40x = 31,667,784,499.26
  5. Step 5: Solve for x
    x = 31,667,784,499.26/193,235.40
  6. Step 6: Final answer
    x = 163,881.90

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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.