Home / 123,278.58-185,000.91-48,389.85

Finding the Fourth Proportional to 123,278.58, 185,000.91 and 48,389.85

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Solution

The fourth proportional to 123,278.58, 185,000.91 and 48,389.85 is: 72,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,278.58 : 185,000.91 = 48,389.85 : x
  2. Step 2: Convert to fraction form
    123,278.58/185,000.91 = 48,389.85/x
  3. Step 3: Cross multiply
    123,278.58x = 185,000.91 × 48,389.85
  4. Step 4: Simplify right side
    123,278.58x = 8,952,166,042.81
  5. Step 5: Solve for x
    x = 8,952,166,042.81/123,278.58
  6. Step 6: Final answer
    x = 72,617.37

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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.