Home / 141,855.30-212,768.55-48,359.70

Finding the Fourth Proportional to 141,855.30, 212,768.55 and 48,359.70

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Solution

The fourth proportional to 141,855.30, 212,768.55 and 48,359.70 is: 72,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,855.30 : 212,768.55 = 48,359.70 : x
  2. Step 2: Convert to fraction form
    141,855.30/212,768.55 = 48,359.70/x
  3. Step 3: Cross multiply
    141,855.30x = 212,768.55 × 48,359.70
  4. Step 4: Simplify right side
    141,855.30x = 10,289,423,247.44
  5. Step 5: Solve for x
    x = 10,289,423,247.44/141,855.30
  6. Step 6: Final answer
    x = 72,534.64

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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.