Home / 341,320.11-512,208.70-141,640.69

Finding the Fourth Proportional to 341,320.11, 512,208.70 and 141,640.69

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Solution

The fourth proportional to 341,320.11, 512,208.70 and 141,640.69 is: 212,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,320.11 : 512,208.70 = 141,640.69 : x
  2. Step 2: Convert to fraction form
    341,320.11/512,208.70 = 141,640.69/x
  3. Step 3: Cross multiply
    341,320.11x = 512,208.70 × 141,640.69
  4. Step 4: Simplify right side
    341,320.11x = 72,549,593,692.00
  5. Step 5: Solve for x
    x = 72,549,593,692.00/341,320.11
  6. Step 6: Final answer
    x = 212,555.87

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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.