Home / 141,195.12-211,730.48-66,336.54

Finding the Fourth Proportional to 141,195.12, 211,730.48 and 66,336.54

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Solution

The fourth proportional to 141,195.12, 211,730.48 and 66,336.54 is: 99,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,195.12 : 211,730.48 = 66,336.54 : x
  2. Step 2: Convert to fraction form
    141,195.12/211,730.48 = 66,336.54/x
  3. Step 3: Cross multiply
    141,195.12x = 211,730.48 × 66,336.54
  4. Step 4: Simplify right side
    141,195.12x = 14,045,467,455.74
  5. Step 5: Solve for x
    x = 14,045,467,455.74/141,195.12
  6. Step 6: Final answer
    x = 99,475.59

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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.