Home / 140,890.36-194,435.22-77,233

Finding the Fourth Proportional to 140,890.36, 194,435.22 and 77,233

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Solution

The fourth proportional to 140,890.36, 194,435.22 and 77,233 is: 106,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,890.36 : 194,435.22 = 77,233 : x
  2. Step 2: Convert to fraction form
    140,890.36/194,435.22 = 77,233/x
  3. Step 3: Cross multiply
    140,890.36x = 194,435.22 × 77,233
  4. Step 4: Simplify right side
    140,890.36x = 15,016,815,346.26
  5. Step 5: Solve for x
    x = 15,016,815,346.26/140,890.36
  6. Step 6: Final answer
    x = 106,585.12

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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.