Home / 120,148.92-180,182.37-49,060.49

Finding the Fourth Proportional to 120,148.92, 180,182.37 and 49,060.49

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Solution

The fourth proportional to 120,148.92, 180,182.37 and 49,060.49 is: 73,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,148.92 : 180,182.37 = 49,060.49 : x
  2. Step 2: Convert to fraction form
    120,148.92/180,182.37 = 49,060.49/x
  3. Step 3: Cross multiply
    120,148.92x = 180,182.37 × 49,060.49
  4. Step 4: Simplify right side
    120,148.92x = 8,839,834,644.63
  5. Step 5: Solve for x
    x = 8,839,834,644.63/120,148.92
  6. Step 6: Final answer
    x = 73,573.98

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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.