Home / 140,818.43-211,158.52-69,658.85

Finding the Fourth Proportional to 140,818.43, 211,158.52 and 69,658.85

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Solution

The fourth proportional to 140,818.43, 211,158.52 and 69,658.85 is: 104,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,818.43 : 211,158.52 = 69,658.85 : x
  2. Step 2: Convert to fraction form
    140,818.43/211,158.52 = 69,658.85/x
  3. Step 3: Cross multiply
    140,818.43x = 211,158.52 × 69,658.85
  4. Step 4: Simplify right side
    140,818.43x = 14,709,058,440.96
  5. Step 5: Solve for x
    x = 14,709,058,440.96/140,818.43
  6. Step 6: Final answer
    x = 104,454.08

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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.