Home / 140,823.90-211,236.16-34,207.38

Finding the Fourth Proportional to 140,823.90, 211,236.16 and 34,207.38

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Solution

The fourth proportional to 140,823.90, 211,236.16 and 34,207.38 is: 51,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,823.90 : 211,236.16 = 34,207.38 : x
  2. Step 2: Convert to fraction form
    140,823.90/211,236.16 = 34,207.38/x
  3. Step 3: Cross multiply
    140,823.90x = 211,236.16 × 34,207.38
  4. Step 4: Simplify right side
    140,823.90x = 7,225,835,594.86
  5. Step 5: Solve for x
    x = 7,225,835,594.86/140,823.90
  6. Step 6: Final answer
    x = 51,311.15

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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.