Home / 141,339.15-211,941.90-82,192.95

Finding the Fourth Proportional to 141,339.15, 211,941.90 and 82,192.95

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Solution

The fourth proportional to 141,339.15, 211,941.90 and 82,192.95 is: 123,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,339.15 : 211,941.90 = 82,192.95 : x
  2. Step 2: Convert to fraction form
    141,339.15/211,941.90 = 82,192.95/x
  3. Step 3: Cross multiply
    141,339.15x = 211,941.90 × 82,192.95
  4. Step 4: Simplify right side
    141,339.15x = 17,420,129,989.61
  5. Step 5: Solve for x
    x = 17,420,129,989.61/141,339.15
  6. Step 6: Final answer
    x = 123,250.56

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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.