Home / 129,394.23-193,975.91-50,490.10

Finding the Fourth Proportional to 129,394.23, 193,975.91 and 50,490.10

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Solution

The fourth proportional to 129,394.23, 193,975.91 and 50,490.10 is: 75,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,394.23 : 193,975.91 = 50,490.10 : x
  2. Step 2: Convert to fraction form
    129,394.23/193,975.91 = 50,490.10/x
  3. Step 3: Cross multiply
    129,394.23x = 193,975.91 × 50,490.10
  4. Step 4: Simplify right side
    129,394.23x = 9,793,863,093.49
  5. Step 5: Solve for x
    x = 9,793,863,093.49/129,394.23
  6. Step 6: Final answer
    x = 75,690.11

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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.